GRUNDIG SUPER COLOR 6632 IT REMOTE TELEPILOT 120-E

The GRUNDIG Telepilot Is a remote that don't use any ASIC's to generate code for specific functions.

It use oscillators like a radio transmitter which are tuned each time specifically for the command to run and to transmit to the tellye.

Pressing the buttons on the keyboard a circuit will run and transmit specific frequencyies through Infra red rays diodes to the tellye receiver which decodes an executes that user requested command i.e. program change.

 A remote transmitter for controlling a television receiver generates a reference frame pulse of fixed time duration, which triggers a variable pulse generator. The width of the variable pulse is either incrementally or continuously adjustable to select different command functions. The pulse is coupled to a carrier generator which modulates a carrier or command signal of appropriate frequency for the remote control system. Since only a single carrier frequency is required for the whole system, operation may be limited to narrow band widths facilitating elimination of undesirable noise. A remote control receiver locally generates a series of high frequency pulses proportional in number to the pulse width of the received remote control signal. The pulses are counted to actuate a single output corresponding to the selected command function, some remote control transmitters have generated a pulse having a variable pulse width or time duration which indicates different desired command functions for a television receiver. Typically, a remote control receiver, housed within the television receiver, decodes the received pulse duration modulated signal and actuates a corresponding command output. When a pulse of a given duration is received, prior remote control receivers have actuated not only the output corresponding to the received pulse, but also all outputs corresponding to pulses of shorter pulse duration. As a result, the number of functions which can be controlled is limited, in that the functions must be related. Continuous control of a television function is generally not possible with these and other prior systems. Other disadvantages with prior systems include actuation of the wrong command function due to variations in the received pulse width caused by falling battery voltage in the remote control transmitter.