Mode processing circuit

Claim 3

A method according to claim 1 wherein said step of receiving comprises storing in an electronic memory device a plurality of said input command signals and said step of determining comprises the step of optimizing said input command signals according to predetermined criteria.

Claim 4

A method according to claim 1 wherein said steps of determining and executing are performed by electronically accessing a transition vector look-up table stored in an electronic memory device.

Claim 5

A method for changing the operation mode of an multi-operation mode electronic apparatus as recited in claim 1 wherein the step of judging the validity of the input command signal comprises determining that the following input commands are invalid with respect to the following corresponding final modes: ______________________________________ FINAL MODE INPUT COMMAND ______________________________________ STOP STOP FAST FWD. FAST FWD., PAUSE, REC. REW. REW., PAUSE, REC. PLAYBACK FAST FWD., REW., PB, REC. PB PAUSE FAST FWD., REW. RECORD FAST FWD., REW., PB, REC. REC. PAUSE FAST FWD., REW., PB, REC. ______________________________________

Claim 6

A mode processing circuit for a multi-operation mode electronic apparatus comprising: means for generating input command signals; mode stack means having a plurality of stages for storing each said input command signal as an operation mode for said multi-operation mode electronic apparatus; means for storing said operation modes in said mode stack means in a sequential order and for optimizing the same according to predetermined criteria; and means for deriving said operation modes from said mode stack in the sequential order and then executing the same after the transition of said multi-operation mode electronic apparatus to each operation mode is ended.

Claim 7

A mode processing circuit for a multi-operation mode electronic apparatus comprising: means for generating input command signals; mode stack means having a plurality of stages for storing each said input command signal as an operation mode for said multi-operation mode electronic apparatus; means for storing said operation modes in said mode stack means in a sequential order and for optimizing the same according to predetermined criteria; and means for deriving said operation modes from said mode stack in the sequential order and then executing the same after the transition of said multi-operation mode electronic apparatus to each operation mode is ended.

Claim 8

A mode processing circuit for a multi-operation mode electronic apparatus comprising: transition vector look-up table means for indicating a operation mode to which the operation mode of said multi-operation mode electronic apparatus should be shifted; means for receiving an input command signal and determining a final mode of said multi-operation mode electronic apparatus in accordance therewith; means for determining a new operation mode to which the operation mode of said multi-operation mode electronic apparatus is to be shifted next from said final mode and a mode to which the operation mode of said multi-operation mode electronic apparatus was shifted with reference to said transition vector look-up table means; and means for changing the operation mode of said multi-operation mode electronic apparatus to said operation mode thus determined and then placing said multi-operation mode electronic apparatus in said final mode.

Claim 9

A mode processing circuit for a multi-operation mode electronic apparatus comprising: transition vector look-up table means for indicating a operation mode to which the operation mode of said multi-operation mode electronic apparatus should be shifted; means for receiving an input command signal and determining a final mode of said multi-operation mode electronic apparatus in accordance therewith; means for determining a new operation mode to which the operation mode of said multi-operation mode electronic apparatus is to be shifted next from said final mode and a mode to which the operation mode of said multi-operation mode electronic apparatus was shifted with reference to said transition vector look-up table means; and means for changing the operation mode of said multi-operation mode electronic apparatus to said operation mode thus determined and then placing said multi-operation mode electronic apparatus in said final mode.

Claim 10

A mode processing circuit for a multi-operation mode electronic apparatus as recited in claim 6, wherein said transition vector look-up table means comprises an electronic memory which stores the following transition mode commands: ______________________________________ Present mode Final mode Transition Command ______________________________________ STOP PB PAUSE STOP TO PLAYBACK FAST FOR- PB PAUSE FAST FWD. TO PB WARD FAST FOR- RECORD FAST FWD. TO STOP WARD FAST FOR- REC. PAUSE FAST FWD. TO STOP WARD REWIND PB PAUSE REWIND TO PB REWIND RECORD REWIND TO STOP REWIND REC. PAUSE REWIND TO STOP PLAYBACK RECORD PB TO PB PAUSE PLAYBACK REC. PAUSE PB TO PB PAUSE PB PAUSE FAST FWD. PB PAUSE TO STOP PB PAUSE REWIND PB PAUSE TO STOP PB PAUSE RECORD PB PAUSE TO REC. PAUSE PB PAUSE REC. PAUSE PB PAUSE TO REC. PAUSE ______________________________________

Claim 11

A mode processing circuit for a multi-operation mode electronic apparatus as recited in claim 6 or 7, wherein said transition vector look-up table means comprises an electronic memory which stores the following transition mode commands: ______________________________________ Present mode Final mode Transition Command ______________________________________ RECORD REWIND RECORD TO STOP RECORD FAST FWD. RECORD TO STOP RECORD PLAYBACK RECORD TO STOP RECORD PB PAUSE RECORD TO STOP REC. PAUSE REWIND REC. PAUSE TO STOP REC. PAUSE FAST FWD. REC. PAUSE TO STOP REC. PAUSE PLAYBACK REC. PAUSE TO STOP REC. PAUSE PB PAUSE REC. PAUSE TO STOP ______________________________________