Automatic projector-recorder synchronizer

Claim 2

In audiovisual apparatus: a. selectively actuable first means for retaining pictorial information; b. second means responsive to actuation of said first means to provide a first control signal during said actuation; c. selectively actuable third means for recording sound accompaniments for said pictorial information; d. selectively actuable fourth means for providing a second control signal; e. fifth means connected to said third and fourth means for recording said second control signal and for terminating a recording operation of said third means in response to said second control signal; and f. sixth means connected to said second and fourth means for inhibiting provision of said second control signal in response to said first control signal, and for permitting provision of said second control signal upon cessation of said first control signal.

Claim 3

Apparatus as claimed in claim 1, wherein: a. said first means include means for photographing pictorial information; and b. said second means are constructed to provide said first control signal as a signal for synchronizing said sound accompaniments with said photographed pictorial information.

Claim 4

Apparatus as claimed in claim 2, wherein said sixth means inhibit provision of said second control signal in response to said synchronization signal and in such a manner that each second control signal provided by said fourth means signifies the end of a sound accompaniment for said photographed pictorial information.

Claim 7

Apparatus as claimed in claim 4 including means for providing feedback signals generated in response to said film advancement rate, wherein said control means controls the display of pictorial information in response to a comparison of said synchronization signals and feedback signals during sound accompaniment and wherein said control means selectively controls said film advancement in response to a comparison of said simulated signals and said feedback signals during inoperative periods of said sound accompaniment.

Claim 10

Apparatus as claimed in claim 6, wherein: a. said synchronization signals include synchronization pulses; and b. wherein said control signal applying means includes means for generating simulated synchronization pulses.

Claim 11

Apparatus as claimed in claim 7, wherein said control signal applying means includes means for initiating a generation of said simulated synchronization pulses in response to the commencement of inoperative periods of said synchronization signal means.

Claim 12

Apparatus as claimed in claim 6, including: a. terminal means; b. means connected to said terminal means for providing at said terminal means electrical energy for a control signal; and c. means functionally combined with said terminal means and connected to said means for applying a simulated control signals for inhibiting provision of said simulated control signal in response to an operation including a connection to said terminal means of means for deriving said electrical energy from said terminal means.

Claim 13

Apparatus as claimed in claim 6, including: a. terminal means; b. means for connecting motion-picture camera means to said terminal means; and c. means functionally combined with said terminal means for inhibiting provision of said simulated control signal in response to an operation including a connection of said motion-picture camera means to said terminal means.

Claim 14

In apparatus for recording and playing back sound sequences and for synchronizing a display of motion picture features by motion-picture display means with a playback of said sound sequences: a. means for recording synchronization signals for synchronizing said motion-picture display with said sound sequence playback; b. phase-lock servo loop means including means for controlling the operation of said display means, and means for providing feedback signals indicative of said display means operation; c. means for playing back said synchronization signals with said sound sequences and for applying said played-back synchronization signals to said phase-lock servo loop means to cause a synchronization of said motion picture display with said sound sequences; d. means for applying a control signal simulating a predetermined synchronization signal to said phase-lock servo loop means for causing a control of said display means during intermissions of said sound playback; and e. means for inhibiting said application of said simulating control signal during playback of said sound sequences and during said recording of said synchronization signals.

Claim 15

In apparatus for recording and playing back sound sequences and for synchronizing a display of motion picture features by motion-picture display means with a playback of said sound sequences: a. means for recording synchronization signals for synchronizing said motion-picture display with said sound sequence playback; b. phase-lock servo loop means including means for controlling the operation of said display means, and means for providing feedback signals indicative of said display means operation; c. means for playing back said synchronization signals with said sound sequences and for applying said played-back synchronization signals to said phase-lock servo loop means to cause a synchronization of said motion picture display with said sound sequences; d. means for applying a control signal simulating a predetermined synchronization signal to said phase-lock servo loop means for causing a control of said display means during intermissions of said sound playback; and e. means for inhibiting said application of said simulating control signal during playback of said sound sequences and during said recording of said synchronization signals.

Claim 16

In apparatus for recording sound accompaniments for pictorial features: terminal means for receiving control signals for starting sound-recording operations and for providing information for synchronizing a display of said pictorial features with a playback of said sound accompaniments, and means functionally combined with said terminal means for selectively energizing said sound recorder independent of said control signals, means selectively connectable to said terminal means for applying said control signals to said terminal means said terminal means including means activated in response to an operation including detachment of said connectable means from said terminal means for permitting commencement of said sound-recording operations in the absence of said control signals.

Claim 17

In apparatus for recording sound accompaniments for pictorial features: terminal means for receiving control signals for starting sound-recording operations and for providing information for synchronizing a display of said pictorial features with a playback of said sound accompaniments, and means functionally combined with said terminal means for selectively energizing said sound recorder independent of said control signals, means selectively connectable to said terminal means for applying said control signals to said terminal means said terminal means including means activated in response to an operation including detachment of said connectable means from said terminal means for permitting commencement of said sound-recording operations in the absence of said control signals.

Claim 20

In apparatus for recording and playing back sound accompaniments for pictorial information: a. means for controlling said recording and playback sound accompaniments, said control means including means for providing control signals indicative of a termination of each sound accompaniment; b. terminal means connected to said control means; c. means selectively connectable to said terminal means for connecting electrical parts of means for displaying said pictorial information to said terminal means; and d. means responsive to a connection of said selectively connectable means to said terminal means for inhibiting operation of said means for providing said control signals indicative of said termination.

Claim 21

In apparatus for recording and playing back sound accompaniments for pictorial information: a. means for controlling said recording and playback sound accompaniments, said control means including means for providing control signals indicative of a termination of each sound accompaniment; b. terminal means connected to said control means; c. means selectively connectable to said terminal means for connecting electrical parts of means for displaying said pictorial information to said terminal means; and d. means responsive to a connection of said selectively connectable means to said terminal means for inhibiting operation of said means for providing said control signals indicative of said termination.

Claim 22

In apparatus for playing back sound accompaniments for pictorial information: a. first means for playing back first control signals for controlling a display of said pictorial information; b. second means connected to said first means for comparing said control signals with feedback signals indicative of said display to produce a second control signal for controlling a display of said pictorial information; c. third means connected to said second means for selectively simulating said first control signals and for causing said second means to compare said simulated control signals with said feedback signals; and d. means including terminal means connected to said first means for deriving said first control signals from said first means, and means operatively associated with said terminal means for selectively suspending operation of said third means.

Claim 23

In apparatus for playing back sound accompaniments for pictorial information: a. first means for playing back first control signals for controlling a display of said pictorial information; b. second means connected to said first means for comparing said control signals with feedback signals indicative of said display to produce a second control signal for controlling a display of said pictorial information; c. third means connected to said second means for selectively simulating said first control signals and for causing said second means to compare said simulated control signals with said feedback signals; and d. means including terminal means connected to said first means for deriving said first control signals from said first means, and means operatively associated with said terminal means for selectively suspending operation of said third means.