1
Jorg Angerstein, Werner Schairer: Luminescent semiconductor component. Telefunken electronic, Spencer & Frank, October 25, 1988: US04780752 (159 worldwide citation)

A luminescent semiconductor component has a casing member of a light transmissive plastics material containing particles which simultaneously determine the light scattering and filtering properties of the light which is emitted by the semiconductor component and passes out of the casing member. The ...


2
Wilhelm Bongard, Helmut Moser, Karl Militzer: Radio-controlled lock method with automatic code change. Kiekert & Co Kommanditgesellschaft, Telefunken Electronic, Karl F Ross, Herbert Dubno, June 24, 1986: US04596985 (110 worldwide citation)

A remote-control lock system has a transmitter that can be set to emit any one of a succession of differently coded signals, a receiver that can be set to respond to any one of the succession of signals, and a lock operable by the receiver when it receives the signal it is set to. Initially the tran ...


3
Werner Schairer: Wide-area lamp. Telefunken Electronic, Spencer & Frank, December 4, 1990: US04975814 (80 worldwide citation)

The invention relates to a wide-area lamp and consists of a transparent mounting plate with conducting path structure on which a large number of luminescent semiconductor elements connected to the conducting path structure are mounted in a wide-area spread. Each semiconductor element is surrounded b ...


4
Hans Gochermann, Wilfried Schmidt, Klaus Dieter Rasch, Karl Heinz Tentscher: Solar cell. Licentia Patent Verwaltungs, Telefunken Electronic, Spencer & Frank, September 10, 1985: US04540843 (64 worldwide citation)

The invention relates to a solar cell for exposure to light rays on both sides. The solar cell contains only one pn junction on one surface side of the semiconductor body. The base of the solar cell is uniformly and less strongly doped than the thin surface zone of the conduction type opposite to th ...


5
Helmut Flodl: Solar cell module. Telefunken electronic, Spencer & Frank, October 31, 1989: US04877460 (63 worldwide citation)

The invention relates to a solar cell module wherein solar cell rows comprising several cells ae arranged overlapping such that in accordance with the invention the butt joints of adjacent solar cell rows are offset in relation to one another, thereby permitting parallel and serial connection within ...


6
Frank Kleefeldt: Remote-control lock system. Kiekert & Co Kommanditgesellschaft, Telefunken Electronic, Karl F Ross, Herbert Dubno, August 11, 1987: US04686529 (56 worldwide citation)

A remote-control lock system has a transmitter that can emit any of a set formed of a multiplicity of differently coded signals, a receiver that can be set to respond to any of the signals, and a lock operable by the receiver when it receives a signal it is set to. The set of signals the transmitter ...


7
Richard Linnebach: Optical read-write head with diffraction grating structure. Telefunken Electronic, Spencer & Frank, January 21, 1992: US05082339 (40 worldwide citation)

The invention relates to a holographic optical component and its use for reading the writing/reading heads. This application requires a minimum size and low weight for the holographic optical components. This is achieved in accordance with the invention by arranging a laser element and a grating str ...


8
Ernst Haag, Gunter Haag, Georg Leitner, Konrad Farnbauer Schmidt: Optoelectronic keyboard. Telefunken Electronic, Spencer & Frank, June 5, 1990: US04931794 (35 worldwide citation)

The invention relates to an optoelectronic keyboard comprising transmitting elements and receiving elements activated in multiplex operation, with the changes in the luminous flux caused by actuation of keys resulting in a signal which defines the actuated key. The invention resides in arranging the ...


9
Heinz Baumler, Richard Hoffmann, Klaus Schirmer, Otto Zeides: Housing for installation in motor vehicles. Telefunken electronic, Spencer & Frank, December 24, 1991: US05075822 (33 worldwide citation)

The invention relates to a housing for installation in motor vehicles to hold electronic components arranged on a PCB. In accordance with the invention, the housing comprises a trough-shaped housing section and a metal lid. In addition, several heat sinks are arranged on the PCB, with the PCB being ...


10
Werner Schairer: Wide-area lamp. Telefunken electronic, Spencer & Frank, January 28, 1992: US05084804 (30 worldwide citation)

The invention relates to a wide-area lamp in which luminescent semiconductor elements in a wide-area spread are connected to one another by a conducting path structure and the individual luminescent semiconductor elements are surrounded by casing elements. The invention provides for the conducting p ...