Tape playback for playing through a radio receiver

Claim 2

A playback system for a multitrack prerecorded tape cartridge, comprising: a tape playback adapter means, said adapter means including a cabinet adapted for inserting said tape cartridge therein; a motor in the cabinet for driving the prerecorded tape; a magnetic head in the cabinet for magnetically picking up a recorded audio program from selected tracks on the tape; an audio amplifier stage connected to said head for amplifying audio signals picked up by the head; a radio frequency oscillator for generating a radio frequency carrier; a modulator and a modulator circuit means connecting said oscillator and audio amplifier stage to the modulator for modulating the audio signals on the carrier; two terminals including one modulator terminal being connectable to a radio frequency input terminal of a radio receiver, the other terminal being an antenna terminal being connectable to a radio frequency receiving antenna; a twoposition switch selectively connecting said modulator to either of said modulator terminal and said antenna terminal, for selectively applying to said radio receiver the amplitude modulated signals from the modulator, and radio broadcast signals picked up by said antenna; a radio frequency receiving antenna lead connected through a condenser to said other output terminal of the adapter means whereby when said two-position switch connects the amplitude modulator of the adapter to said radio frequency amplifier stage lead for the radio receiver, and when set to its other position connects the antenna lead to the radio frequency amplifier stage lead of the radio receiver, said twoposition switch being activatable and deactivatable by insertion and withdrawal of said tape cartridge into said cabinet; a power supply lead and a power switch activatable and deactivatable to make and break circuit in power lines to said supply lead by insertion and withdrawal of said tape cartridge into said cabinet, said oscillator being tunable to any one frequency in the amplitude modulation broadcast band; and including said adapter further comprising solenoid means for selectively connecting said head to any selected track on said tape to pickup a selected prerecorded program therefrom and applying the same to said audio amplifier.

Claim 3

A playback system for a multitrack prerecorded tape cartridge, comprising: a tape playback adapter means, said adapter means including a cabinet adapted for inserting said tape cartridge therein; a motor in the cabinet for driving the prerecorded tape; a magnetic head in the cabinet for magnetically picking up a recorded audio program from selected tracks on the tape; an audio amplifier stage connected to said head for amplifying audio signals picked up by the head; a radio frequency oscillator for generating a radio frequency carrier; a modulator and a modulator circuit means connecting said oscillator and audio amplifier stage to the modulator for modulating the audio signals on the carrier; two terminals including one modulator terminal being connectable to a radio frequency input terminal of a radio receiver, the other terminal being an antenna terminal being connectable to a radio frequency receiving antenna; a two-position switch selectively connecting said modulator to either of said modulator terminal and said antenna terminal, for selectively applying to said radio receiver the amplitude modulated signals from the modulator, and radio broadcast signals picked up by said antenna; a radio frequency receiving antenna lead connected through a condenser to said other output terminal of the adapter means whereby when said two-position switch is activatable by being set to one position the two-position switch connects the amplitude modulator of the adapter to said radio frequency amplifier stage lead for the radio receiver, and when set to its other position connects the antenna lead to the radio frequency amplifier stage lead of the radio receiver, said two-position switch being activatable and deactivatable by insertion and withdrawal of said tape cartridge into said cabinet; a power supply lead and a power switch activatable and deactivatable to make and break circuit in power lines to said supply lead by insertion and withdrawal of said tape cartridge into said cabinet, said oscillator being tunable to any one frequency in the amplitude modulation broadcast band; and in which said adapter further includes selector structure tunable of saiD two-position switch to said modulator terminal from said antenna terminal upon insertion of said tape cartridge into said cabinet and turnable of said two-position switch to said antenna terminal from said modulator terminal upon withdrawal of said inserted tape cartridge form said cabinet.

Claim 4

A playback system for a multitrack prerecorded tape cartridge, comprising: a tape playback adapter means, said adapter means including a cabinet adapted for inserting said tape cartridge therein; a motor in the cabinet for driving the prerecorded tape; a magnetic head in the cabinet for magnetically picking up a recorded audio program from selected tracks on the tape; an audio amplifier stage connected to said head for amplifying audio signals picked up by the head; a radio frequency oscillator for generating a radio frequency carrier; a modulator and a modulator circuit means connecting said oscillator and audio amplifier stage to the modulator for modulating the audio signals on the carrier; two terminals including one modulator terminal being connectable to a radio frequency input terminal of a radio receiver, the other terminal being an antenna terminal being connectable to a radio frequency receiving antenna; a two-position switch selectively connecting said modulator to either of said modulator terminal and said antenna terminal, for selectively applying to said radio receiver the amplitude modulated signals from the modulator, and radio broadcast signals picked up by said antenna; a radio frequency receiving antenna lead connected through a condenser to said other output terminal of the adapter means whereby when said two-position switch is activatable by being set to one position the two-position switch connects the amplitude modulator of the adapter to said radio frequency amplifier stage lead for the radio receiver, and when set to its other position connects the antenna lead to the radio frequency amplifier stage lead of the radio receiver, said two-position switch being activatable and deactivatable by insertion and withdrawal of said tape cartridge into said cabinet; a power supply lead and a power switch activatable and deactivatable to make and break circuit in power lines to said supply lead by insertion and withdrawal of said tape cartridge into said cabinet, said oscillator being tunable to any one frequency in the amplitude modulation broadcast band; and in which said adapter further includes selector structure tunable of saiD two-position switch to said modulator terminal from said antenna terminal upon insertion of said tape cartridge into said cabinet and turnable of said two-position switch to said antenna terminal from said modulator terminal upon withdrawal of said inserted tape cartridge form said cabinet.

Claim 5

The playback system of claim 2, further comprising an amplitude modulated, radio receiver comprising a tunable radio frequency amplifier stage connected to said one terminal of the adapter, a demodulator connected to said radio frequency amplifier stage for demodulating amplitude modulated signals applied thereto, a high fidelity audio amplifier connected to said demodulator for amplifying audio signals derived from the demodulator; a high quality loud-speaker connected to said high fidelity audio amplifier for reproducing audibly with high fidelity the audio signals amplified by the last named audio amplifier; a battery power supply, and electrical power lines connecting said battery power supply to the motor, audio amplifier stage, oscillator and modulator in said adapter, and also connecting said battery power supply to said radio frequency stage, demodulator and audio amplifier in said radio receiver; and said adapter further comprising solenoid means for selectively connecting said head to any selected track on said tape to pick-up a selected prerecorded program therefrom and applying the same to said audio amplifier.

Claim 6

The playback system of claim 3, including said adapter further comprising solenoid means for selectively connecting said head to any selected track on said tape to pick-up a selected prerecorded program therefrom and applying the same to said audio amplifier.

Claim 7

A playback system for a multitrack prerecorded tape cartridge, comprising: a tape playback adapter means, said adapter means including a cabinet adapted for inserting said tape cartridge therein; a motor in the cabinet for driving the prerecorded tape; a magnetic head in the cabinet for magnetically picking up a recorded audio program from selected tracks on the tape; an audio amplifier stage connected to said head for amplifying audio signals picked up by the head; a radio frequency oscillator for generating a radio frequency carrier; a modulator and a modulator circuit means connecting said oscillator and audio amplifier stage to the modulator for modulating the audio signals on the carrier; two terminals including one modulator terminal being connectable to a radio frequency input terminal of a radio receiver, the other terminal being an antenna terminal being connectable to a radio frequency receiving antenna; a two-position switch selectively connecting said modulator to either of said modulator terminal and said antenna terminal, for selectively applying to said radio receiver the amplitude modulated signals from the modulator, and radio broadcast signals picked up by said antenna; a radio frequency receiving antenna lead connected through a condenser to said other output terminal of the adapter means whereby when said two-position switch is activatable by being set to one position the two-position switch connects the amplitude modulator of the adapter to said radio frequency amplifier stage lead for the radio receiver, and when set to its other position connects the antenna lead to the radio frequency amplifier stage lead of the radio receiver, said two-position switch being activatable and deactivatable by insertion and withdrawal of said tape cartridge into said cabinet; a power supply lead and a power switch activatable and deactivatable to make and break circuit in power lines to said supply lead by insertion and withdrawal of said tape cartridge into said cabinet, said oscillator being tunable to any one frequency in the amplitude modulation broadcast band; and including an antenna-grounding swtich means attached to said antenna lead such that a radio signal picked up by a radio antenna will be grounded and not interfere with the signal from the prerecorded tape, and such that radiatIon of radio frequency from the automobile antenna lead will be prevented.

Claim 8

A playback system for a multitrack prerecorded tape cartridge, comprising: a tape playback adapter means, said adapter means including a cabinet adapted for inserting said tape cartridge therein; a motor in the cabinet for driving the prerecorded tape; a magnetic head in the cabinet for magnetically picking up a recorded audio program from selected tracks on the tape; an audio amplifier stage connected to said head for amplifying audio signals picked up by the head; a radio frequency oscillator for generating a radio frequency carrier; a modulator and a modulator circuit means connecting said oscillator and audio amplifier stage to the modulator for modulating the audio signals on the carrier; two terminals including one modulator terminal being connectable to a radio frequency input terminal of a radio receiver, the other terminal being an antenna terminal being connectable to a radio frequency receiving antenna; a two-position switch selectively connecting said modulator to either of said modulator terminal and said antenna terminal, for selectively applying to said radio receiver the amplitude modulated signals from the modulator, and radio broadcast signals picked up by said antenna; a radio frequency receiving antenna lead connected through a condenser to said other output terminal of the adapter means whereby when said two-position switch is activatable by being set to one position the two-position switch connects the amplitude modulator of the adapter to said radio frequency amplifier stage lead for the radio receiver, and when set to its other position connects the antenna lead to the radio frequency amplifier stage lead of the radio receiver, said two-position switch being activatable and deactivatable by insertion and withdrawal of said tape cartridge into said cabinet; a power supply lead and a power switch activatable and deactivatable to make and break circuit in power lines to said supply lead by insertion and withdrawal of said tape cartridge into said cabinet, said oscillator being tunable to any one frequency in the amplitude modulation broadcast band; and including an antenna-grounding swtich means attached to said antenna lead such that a radio signal picked up by a radio antenna will be grounded and not interfere with the signal from the prerecorded tape, and such that radiatIon of radio frequency from the automobile antenna lead will be prevented.

Claim 9

The playback system of claim 5, in which said adapter further includes selector structure tunable of said two-position switch to said modulator terminal from said antenna terminal upon insertion of said tape cartridge into said cabinet and turnable of said two-position switch to said antenna terminal from said modulator terminal upon withdrawal of said inserted tape cartridge from said cabinet.

Claim 10

The playback system of claim 5, including said adapter further comprising solenoid means for selectively connecting said head to any selected track on said tape to pick-up a selected prerecorded program therefrom and applying the same to said audio amplifier.

Claim 11

The playback system of claim 5, further comprising an amplitude modulated, radio receiver comprising a tunable radio frequency amplifier stage connected to said one terminal of the adapter, a demodulator connected to said radio frequency amplifier stage for demodulating amplitude modulated signals applied thereto, a high fidelity audio amplifier connected to said demodulator for amplifying audio signals derived from the demodulator; a high quality loud-speaker connected to said high fidelity audio amplifier for reproducing audibly with high fidelity the audio signals amplified by the last named audio amplifier; a battery power supply, and electrical power lines connecting said battery power supply to the motor, audio amplifier stage, oscillator and modulator in said adapter, and also connecting said battery power supply to said radio frequency stage, demodulator and audio amplifier in said radio receiver; and said adapter further comprising solenoid means for selectively connecting said head to any selected track on said tape to pick-up a selected prerecorded program therefrom and applying the same to said audio amplifier.

Claim 12

The playback system of claim 8, in which said adapter further includes selector structure tunable of said two-position switch to said modulator terminal from said antenna terminal upon insertion of said tape cartridge into said cabinet and turnable of said two-position switch to said antenna terminal from said modulator terminal upon withdrawal of said inserted tape cartridge from said cabinet.

Claim 13

The playback system of claim 5, including said adapter further comprising solenoid means for selectively connecting said head to any selected track on said tape to pick-up a selected prerecorded program therefrom and applying the same to said audio amplifier.

Claim 14

The playback system of claim 10, and said adapter further including selector structure turnable of said two-position switch to said modulator terminal from said antenna terminal upon insertion of said tape cartridge into said cabinet and turnable of said two-position switch to said antenna terminal from said modulator terminal upon withdrawal of said inserted tape cartridge from said cabinet.

Claim 15

The playback system of claim 11, further comprising an amplitude modulated, radio receiver comprising a tunable radio frequency amplifier stage connected to said one terminal of the adapter; a demodulator connected to said radio frequency amplifier stage for demodulating amplitude modulated signals applied thereto; a high fidelity audio amplifier connected to said demodulator for amplifying audio signals derived from the demodulator; a high quality loud-speaker connected to said high fidelity audio amplifier for reproducing audibly with high fidelity the audio signals amplified by the last named audio amplifier; a battery power supply, and electrical power lines connecting said battery power supply to the motor, audio amplifier stage, oscillator and modulator in said adapter, and also connecting said battery power supply to said radio frequency stage, demodulator and audio amplifier in said radio receiver; and said adapter further comprising solenoid means for selectively connecting said head to any selected track on said tape to pick-up a selected prerecorded program thereFrom and applying the same to said audio amplifier.