US4994714A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic alteration of the operation of a radiant energy transmitter
Assignee: 3M Co
•
Filing: 1989-04-28
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Granted: 1991-02-19
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Expires: 2009-04-28
Abstract
Abstract A radiant energy transmitter for use with a motor vehicle wherein operation of the triggered radiant energy device of the transmitter is altered via an operation altering circuit portion when an alteration initiating switch assumes its alteration mode. Such alteration mode is automatically assumed when the operator carries out an action that is normally done after the motor vehicle is stopped. The operation altering circuit portion continues the altered operation even though the alteration mode of the alteration altering switch is subsequently discontinued.
Inventors
- 👤 Earl B. Hoekman
- 👤 Karl P. Schaller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:25
CPC Classifications
G; G08; G08G; G08G1/00; G08G1/07; G08G1/087
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
192 words
A radiant energy transmitter for use with a motor vehicle, the transmitter having a triggered radiant energy device and control circuitry for triggering the radiant energy device and supplying electrical energy to the radiant energy device when it is triggered with the control circuitry being energized via an operator actuated switch including: an operation altering circuit portion for altering the operation of the triggered radiant energy device; an alteration initiation switch means connected to said operation altering circuit portion, said alteration initiation switch means automatically assuming an alteration mode when the operator of the vehicle with which the radiant energy transmitter is used takes an action that is normally done following the stoppage of the vehicle, the alteration mode of said alteration initiation switch means being discontinued when the action taken by the operator is reversed; said alteration initiation switch means causing said operation altering circuit portion to operate to alter the operation of the triggered radiant energy device when the alteration mode position of said alteration initiation switch means is assumed with the altered operation continuing even though the alteration mode position of said alteration initiating switch means is subsequently discontinued.
Claim 2
Dependent Claim
192 words
A radiant energy transmitter for use with a motor vehicle, the transmitter having a triggered radiant energy device and control circuitry for triggering the radiant energy device and supplying electrical energy to the radiant energy device when it is triggered with the control circuitry being energized via an operator actuated switch including: an operation altering circuit portion for altering the operation of the triggered radiant energy device; an alteration initiation switch means connected to said operation altering circuit portion, said alteration initiation switch means automatically assuming an alteration mode when the operator of the vehicle with which the radiant energy transmitter is used takes an action that is normally done following the stoppage of the vehicle, the alteration mode of said alteration initiation switch means being discontinued when the action taken by the operator is reversed; said alteration initiation switch means causing said operation altering circuit portion to operate to alter the operation of the triggered radiant energy device when the alteration mode position of said alteration initiation switch means is assumed with the altered operation continuing even though the alteration mode position of said alteration initiating switch means is subsequently discontinued.
Claim 3
Dependent Claim
119 words
A radiant energy transmitter according to claim 1 wherein said operation altering circuit portion includes a relay connected to the control circuitry side of the operator actuated switch and to said alteration initiation switch means whereby closure of said operator actuated switch plus said alteration initiation switch means, when in its alteration mode, causes said relay to be energized, said relay having a switch means connected to said relay and the control circuitry, said switch means being operated while said relay is energized to provide for energization of said relay so long as the operator actuated switch remains closed and the alteration of the operation of the control circuitry whereby operation of the triggered radiant energy device is discontinued.
Claim 4
Dependent Claim
127 words
A radiant energy transmitter according to claim 1 wherein said operation altering circuit portion includes a relay connected to the control circuitry side of the operator actuated switch and to said alteration initiation switch means whereby closure of said operator actuated switch plus said alteration initiation switch means, when in its alteration mode, causes said relay to be energized, said relay having a switch means connected to said relay and the control circuitry, said switch means being operated while said relay is energized to complete a first circuit providing for energization of said relay so long as the operator actuated switch remains closed and to change a second circuit to alter the operation of the control circuitry whereby operation of the triggered radiant energy device is altered.
Claim 5
Dependent Claim
58 words
An improved radiant energy transmitter according to claim 3 wherein said first and second circuits are connected to a common connection via said switching means for completing said first circuit and changing said second circuit, said first circuit having a first diode connected between said switching means and said relay for isolating said second circuit from said relay.
Claim 6
Dependent Claim
71 words
An improved radiant energy transmitter according to claim 3 wherein said switching means includes a first set of electrical contacts which are operated to a closed position while said relay is energized to complete said first circuit and a second set of electrical contacts which are operated to change a second circuit while said relay is energized to alter operation of the control circuitry and the triggered radiant energy control device.
Claim 7
Dependent Claim
26 words
An improved radiant energy transmitter according to claim 5 wherein second set of electrical contacts are operated to a closed position while said relay is energized.
Claim 8
Dependent Claim
27 words
An improved radiant energy transmitter according to claim 5 wherein said second set of electrical contacts are operated to an open position while said relay is energized.
Claim 9
Dependent Claim
66 words
A radiant energy transmitter according to claim 1 wherein said operation altering circuit portion includes a semiconductor switch device that receives a signal causing it to conduct when said alteration initiation switch means assumes an alteration mode, said semiconductor switch device connected to the control circuitry for altering the operation of the triggered radiant energy device in response to the conduction of said semiconductor switch device.
Claim 10
Dependent Claim
46 words
A radiant energy transmitter according to claim 1 further including operator controlled selection circuitry for selecting the altered operation of the triggered radiant energy device that is initiated by said operation altering circuit portion when the alteration mode of said alteration initiation switch means is assumed.
Claim 11
Dependent Claim
66 words
A radiant energy transmitter according to claim 9 wherein said operator controlled selection circuitry has one position that provides for termination of the triggered radiant energy device as one altered operation of the triggered radiant energy device and a second position that provides for operation of the triggered radiant energy device at a rate that differs from the rate used before the altered operation is implemented.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-02-18 | 1994-08-20 | 1995-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-02-18 | 1998-08-20 | 1999-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-02-18 | 2002-08-20 | 2003-02-19 | $7700.00 | Window Closed / Lapsed |