Apparatus for controlling plural electrically actuated operating devices

Claim 2

Apparatus for controlling the selective actuation of a plurality of electrically actuated operating devices in combination with a light source and slide card holding means for positioning a slide card in the path of light from said source, which apparatus comprises: a plurality of light-sensitive electrically responsive devices positioned in relation to said light source and said slide card holding means in alignment such that a plurality of control locations exist on a slide card in said holding means, each such location being uniquely associated in the path of light between said light source and one of said electrically responsive devices; master program advance actuator means actuatable to control the actuation of said operating devices selectively in response to the impingement of light on said light-sensitive electrically responsive devices by supplying a sequence of control functions including in sequence a gate function and a set function, said gate function operating said slide card holding means to position a slide in said path of light; said master program advance actuator means including: a. a program advance switch, b. first pulse generating means for generating a gate pulse in response to actuation of said program advance switch, c. second pulse generating means for generating a clear pulse a preset time after generation of said gate pulse, d. third pulse generating means for generating a set pulse upon termination of the clear pulse; a plurality of actuAtion control channel circuits, each uniquely connected to an associated one of said electrically responsive devices, each circuit including: a. first bate means for assuming an enabled condition when light is impinging upon the associated electrically responsive device upon operation of said slide card holding means through said gate function, said first gate means being coupled to said master program advance actuator means to be operated after being enabled by said set function, b. current control means adapted for connection to an operating device to control actuation current therein, c. coupling means coupling said first gate means with said current control means after operation of said first gate means by said gate function to cause said current control means to assume a conductive condition, said coupling means including: i. bistable memory means for storing the fact said first gate means was enabled until the time of said set pulse coupled to said first gate means and to said master program advance actuator means, said bistable memory means assuming a first state in response to generation of the clear pulse and assuming a second state in response to generation of the set pulse when said first gate means is in its enabled condition, ii. second gate means for assuming an enabled condition when said bistable memory means is in its second state, said second gate means coupled to said current control means for causing said current control means to assume a conductive condition in response to generation of the gate pulse when said second gate means is in its enabled condition.

Claim 3

Apparatus as claimed in claim 1 in which: said master program advance actuator means includes: a. a program advance switch, b. first pulse generating means for generating a gate pulse in response to actuation of said program advance switch, c. second pulse generating means for generating a clear pulse a preset time after generation of said gate pulse, d. third pulse generating means for generating a set pulse upon termination of the clear pulse; and in which each said coupling means includes: a. bistable memory means for storing the fact said first gate means was enabled until the time of said gate pulse coupled to said first gate means and to said master program advance actuator means, said bistable memory means assuming a first state in response to generation of the clear pulse and assuming a second state in response to generation of the set pulse when said first gate means is in its enabled condition, b. second gate means for assuming an enabled condition when said bistable memory means is in its second state, said second gate means coupled to said current control means for causing said current control means to assume a conductive condition in response to generation of the gate pulse when said second gate means is in its enabled condition.

Claim 4

Apparatus as claimed in claim 1 in which said master program advance actuator means further comprises fourth pulse generating means for generating a toggle pulse upon generation of the gate pulse and in which said coupling means further comprises a power outlet connector, a power source means for supplying electrical power to said power outlet connector, power control means capable of assuming a first state in which said power outlet connector is connected to said power source means and capable of assuming a second state in which said power outlet connector is isolated from said power source means, and means for causing said power control means to alternately toggle between its first state and its second state in response to generation of a toggle pulse when said bistable memory device is in its second state.

Claim 5

Apparatus for controlling the selective actuation of a plurality of electrically actuated operating devices in combination with a light source and slide card holding means for positioning a slide card in the path of light from said source, which apparatus comprises: a plurality Of light-sensitive electrically responsive devices positioned in relation to said light source and said slide card holding means in alignment such that a plurality of control locations exist on a slide card in said holding means, each such location being uniquely associated in the path of light between said light source and one of said electrically responsive devices; master program advance actuator means actuatable to operate the actuation of said operating devices selectively in response to the impingement of light on said light-sensitive electrically responsive devices by supplying a sequence of control functions including in sequence a gate function and a set function, said gate function operating said slide card holding means to position a slide in said path of light; a plurality of actuation control channel circuits, each uniquely connected to an associated one of said electrically responsive devices, each circuit including: a. first gate means for assuming an enabled condition when light is impinging upon the associated electrically responsive device upon operation of said slide card holding means through said gate function, said first gate means being coupled to said master program advance actuator means to be operated after being enabled by said set function, b. current control means adapted for connection to an operating device to control actuation current therein, c. coupling means coupling said first gate means with said current control means after operation of said first gate means by said gate function to cause said current control means to assume a conductive conductive condition; a plurality of slave controllers, each slave controller including an actuation current circuit uniquely connected to one current control means, each slave controller further comprising: a plurality of light-sensitive electrically responsive devices; slide card holding means adapted to hold in alignment between said slave controller electrically responsive devices and a light source location a slide card having designated thereon a plurality of control locations, each control location uniquely associated with one of said slave controller electrically responsive devices; a plurality of actuation control channel circuits, each uniquely connected to an associated one of said slave controller electrically responsive devices, each circuit including; a. first gate means for assuming an enabled condition when light is impinging upon the associated electrically responsive device, said slave controller first gate means coupled to said slave controller master program advance actuator means, b. current control means adapted for connection to an operating device to control actuation current therein, c. coupling means coupling said slave controller first gate means with said slave controller current control means for causing said slave controller current control means to assume a conductive condition in response to actuation of said slave controller master program advance actuator means when said slave controller first gate means is in its enabled condition.

Claim 6

Apparatus for controlling the selective actuation of a plurality of electrically actuated operating devices in combination with a light source and slide card holding means for positioning a slide card in the path of light from said source, which apparatus comprises: a plurality Of light-sensitive electrically responsive devices positioned in relation to said light source and said slide card holding means in alignment such that a plurality of control locations exist on a slide card in said holding means, each such location being uniquely associated in the path of light between said light source and one of said electrically responsive devices; master program advance actuator means actuatable to operate the actuation of said operating devices selectively in response to the impingement of light on said light-sensitive electrically responsive devices by supplying a sequence of control functions including in sequence a gate function and a set function, said gate function operating said slide card holding means to position a slide in said path of light; a plurality of actuation control channel circuits, each uniquely connected to an associated one of said electrically responsive devices, each circuit including: a. first gate means for assuming an enabled condition when light is impinging upon the associated electrically responsive device upon operation of said slide card holding means through said gate function, said first gate means being coupled to said master program advance actuator means to be operated after being enabled by said set function, b. current control means adapted for connection to an operating device to control actuation current therein, c. coupling means coupling said first gate means with said current control means after operation of said first gate means by said gate function to cause said current control means to assume a conductive conductive condition; a plurality of slave controllers, each slave controller including an actuation current circuit uniquely connected to one current control means, each slave controller further comprising: a plurality of light-sensitive electrically responsive devices; slide card holding means adapted to hold in alignment between said slave controller electrically responsive devices and a light source location a slide card having designated thereon a plurality of control locations, each control location uniquely associated with one of said slave controller electrically responsive devices; a plurality of actuation control channel circuits, each uniquely connected to an associated one of said slave controller electrically responsive devices, each circuit including; a. first gate means for assuming an enabled condition when light is impinging upon the associated electrically responsive device, said slave controller first gate means coupled to said slave controller master program advance actuator means, b. current control means adapted for connection to an operating device to control actuation current therein, c. coupling means coupling said slave controller first gate means with said slave controller current control means for causing said slave controller current control means to assume a conductive condition in response to actuation of said slave controller master program advance actuator means when said slave controller first gate means is in its enabled condition.

Claim 7

Apparatus as claimed in claim 4 in which: said slave controller master program advance actuator means includes a. a program advance switch, b. first pulse generating means for generating a gate pulse in response to actuation of said program advance switch, c. second pulse generating means for generating a clear pulse a preset time after generation of said slave controller gate pulse, d. third pulse generating means for generating a set pulse upon termination of the slave controller clear pulse; and in which each said slave controller coupling means includes: a. bistable memory means for storing the fact said slave controller first gate means was enabled until the time of said slave controller set pulse coupled to said slave controller first gate means and to said slave controller master program advance actuator means, said slave controller bistable memory meAns assuming a first state in response to generation of the slave controller clear pulse and assuming a second state in response to generation of the slave controller set pulse when said slave controller first gate means is in its enabled condition, b. second gate means for assuming an enabled condition when said slave controller bistable memory means is in its second state, said slave controller second gate means coupled to said slave controller current control means for causing said slave controller current control means to assume a conductive condition in response to generation of the slave controller gate pulse when said slave controller second gate means is in its enabled condition.

Claim 8

Apparatus as claimed in claim 5 further comprising a plurality of operating devices each including an actuation current circuit uniquely connected to one slave controller current control means.

Claim 9

Apparatus as claimed in claim 6 in which each said operating device comprises a slide projector.