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DE2426649A1
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Battery operated radio receiver - has transistor switch controlled by pulses from astable multivibrator
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DE2424771A1
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Automatic volume control - has proportional plus integral DC control loop and capacitor controlled by parallel input cct.
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DE2424015A1
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Wheel-type ergometer with friction brake - performance is independent of wheel speed
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DE2423150A1
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Wheel-type ergometer with rapid performance measurement - is fitted with tachogenerator which is used as sole power supply
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DE2419173A1
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Communal aerial with multiple branching facilities - has equal attenuation at input of each branch by correct branch relationship
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DE2418914A1
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Radio telephony transmitter and receiver - is connected through one two-wire line to two or more remote control units
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DE2418155A1
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Microwave heater for blood for transfusions - intimate mixing, rapid heating, and sliding contacts without rings
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DE2415157A1
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Switching and delay device - delivers two output voltages, depending on input signal being below or above threshold
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DE2414123A1
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Medical microwave heater unit protection system - for blood temperature control via series connected switches
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DK143220B
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Distribution or range link to high frequency signals
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DE2411428A1
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Meter detection of frequency response - of length of cable transmitting high-frequency signals within specific frequency band
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DE2410308A1
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Network asymmetrically bifurcating HF signals - has low loss matching and low output coupling characteristics for e.g. TV
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DE2409763A1
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Transmission system for large common TV antenna network - has pilot signal passing over compensation cable before adding to TV signal
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DE2408807A1
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Conversational mobile radio communications networks - consists of central station and mobile stations operating in simplex mode
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DE2403265A1
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Constant reference voltage generator - accommodates varying load and Zener diode linear amplifier and number of resistors
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DE2402838A1
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Low current constant power supply - has three transistor chip which ensures that resistance does not exceed 25 kilohms for low current output
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DE2402810A1
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Relay station for radio network - is suitable for relaying operations in several simplex radio networks
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DE2402801A1
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Hearing aid transistor amplifier - has a monolithic integrated circuit differential amplifier with AGC
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DE2400152A1
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Network with one central and many mobile stations - has operating radio sender of a mobile station which is periodically switched off
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DE2357542A1
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Antenna with flexible rod - comprising helical spring embedded in elastic layer
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