Television receiver

Claim 2

A television receiver comprising: picture display means, picture recording means and static picture display means; a. said picture display means including means to receive and demodulate a broadcast television signal, said means to receive and demodulate having an antenna for receiving the broadcast television signal, a tuner connected to the antenna and a video detector for demodulating the television signal, b. said picture recording means including a storage tube to record a particular frame of video signal and having a single electron gun and first vertical and horizontal deflection coils, first vertical and horizontal deflection means to vary the amount of deflection current passing through the first deflection coils of said storage tube at the time of reading out a recorded video signal tHerein and control means to read out the recorded signal of said storage tube repetitively, said first vertical and horizontal deflection means having two amplifiers connected to the respective first vertical and horizontal deflection coils of said storage tube and two variable resistors for coupling vertical and horizontal sawtooth wave signals to said respective amplifiers, said two variable resistors being ganged together and controlled manually to control the deflection of a scanning spot on a target of said storage tube for the purpose of zooming a static picture, said control means automatically starting to read out the content of said storage tube after the particular frame of video signal is recorded in said storage tube, c. said static picture display means including a picture tube having second vertical and horizontal deflection coils for displaying the video signal read out or zoomed by said picture recording means, second vertical deflection means and second horizontal deflection means each causing deflection current to pass through the respective second vertical and horizontal deflection coils on said picture tube.

Claim 3

A television receiver comprising: picture display means, picture recording means and static picture display means; a. said picture display means including means to receive and demodulate a broadcast television signal, said means to receive and demodulate having an antenna for receiving the broadcast television signal, a tuner connected to the antenna and a video detector for demodulating the television signal, b. said picture recording means including a storage tube to record a particular frame of video signal and having a single electron gun and first vertical and horizontal deflection coils, first vertical and horizontal deflection means to vary the amount of deflection current passing through the first deflection coils of said storage tube at the time of reading out a recorded signal therein and control means to read out the recorded signal of said storage tube repetitively, said first vertical and horizontal deflection means including means to obtain from flyback pulses a saw-tooth current supplied to the horizontal deflection coil of said storage tube, said means to obtain including means to integrate said flyback pulses, said means to integrate including a switching transistor, a damper diode and a resonant circuit of an inductor and a capacitor, said transistor being connected through a variable impedance element to a power supply, said variable impedance element supplying a source voltage on said transistor to control the deflection of a scanning spot on a target of said storage tube for zooming, said control means automatically starting to read out the content of said storage tube after the particular frame of video signal is recorded in said storage tube, c. said static picture display means including a picture tube having second vertical and horizontal deflection coils for displaying the video signal read out or zoomed by said picture recording means, second vertical deflection means and second horizontal deflection means, each causing deflection current to pass through the respective second vertical and horizontal deflection coils of said picture tube.

Claim 4

A television receiver comprising: picture display means, picture recording means and static picture display means; a. said picture display means including means to receive and demodulate a broadcast television signal, said means to receive and demodulate having an antenna for receiving the broadcast television signal, a tuner connected to the antenna and a video detector for demodulating the television signal, b. said picture recording means including a storage tube to record a particular frame of video signal and having a single electron gun and first vertical and horizontal deflection coils, first vertical and horizontal deflection means to vary the amount of deflection current passing through the first deflection coils of said storage tube at the time of reading out a recorded signal therein and control means to read out the recorded signal of said storage tube repetitively, said first vertical and horizontal deflection means including means to obtain from flyback pulses a saw-tooth current supplied to the horizontal deflection coil of said storage tube, said means to obtain including means to integrate said flyback pulses, said means to integrate including a switching transistor, a damper diode and a resonant circuit of an inductor and a capacitor, said transistor being connected through a variable impedance element to a power supply, said variable impedance element supplying a source voltage on said transistor to control the deflection of a scanning spot on a target of said storage tube for zooming, said control means automatically starting to read out the content of said storage tube after the particular frame of video signal is recorded in said storage tube, c. said static picture display means including a picture tube having second vertical and horizontal deflection coils for displaying the video signal read out or zoomed by said picture recording means, second vertical deflection means and second horizontal deflection means, each causing deflection current to pass through the respective second vertical and horizontal deflection coils of said picture tube.

Claim 5

A television receiver comprising means to receive a television signal of a particular channel, means to demodulate the received television signal, a first picture tube for the display of a picture reproduced from the video signal in the demodulated television signal, means to extract a particular frame of said video signal, means to record the extracted video signal, means to read the recorded signal, said reading means including means to cause zooming of the recorded picture, and a second picture tube for the display of a static zoomed picture reproduced from the recorded signal.

Claim 6

A television receiver comprising means to receive a television signal of a particular channel, means to demodulate the received television signal, a first picture tube for the display of a picture reproduced from the video signal in the demodulated television signal, means to extract a particular frame of said video signal, means to record the extracted video signal, means to read the recorded signal, said reading means including means to cause zooming of the recorded picture, and a second picture tube for the display of a static zoomed picture reproduced from the recorded signal.

Claim 7

A television receiver comprising means to receive a television signal of a particular channel, means to demodulate the received television signal, a picture tube for the displAy of a picture reproduced from the video signal in the demodulated television signal, means to extract a particular frame of said video signal, means to record the extracted video signal, means to read the recorded signal, said reading means including means to cause zooming of the recorded picture, and switching means to switch from the display on said picture tube of a picture reproduced from the television signal being received to the display on said picture tube of a static picture reproduced from a recorded signal at the time of reading of said recording means.

Claim 8

A television receiver comprising means to receive a television signal of a particular channel, means to demodulate the received television signal, a picture tube for the displAy of a picture reproduced from the video signal in the demodulated television signal, means to extract a particular frame of said video signal, means to record the extracted video signal, means to read the recorded signal, said reading means including means to cause zooming of the recorded picture, and switching means to switch from the display on said picture tube of a picture reproduced from the television signal being received to the display on said picture tube of a static picture reproduced from a recorded signal at the time of reading of said recording means.