Richard Hirschmann, Radiotechnisches Werk

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Esslingen am Neckar, DE

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Patents Grantslast 30 patents

Information Patent Grant
Elastomer seal
- Patent number 5,234,221
- Issue date Aug 10, 1993
- Richard Hirschmann Radiotechnisches Werk
- Walter Freisleben
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Grant
Security alarm process and apparatus
- Patent number 4,853,690
- Issue date Aug 1, 1989
- Richard Hirschmann Radiotechnisches Werk
- Hans-Dieter Mayer
- G08 - SIGNALLING
Information Patent Grant
Infrared space surveillance detector circuit
- Patent number 4,827,133
- Issue date May 2, 1989
- Richard Hirschmann Radiotechnisches Werk
- Hermann Zierhut
- G08 - SIGNALLING
Information Patent Grant
Current draw and power consumption display circuit
- Patent number 4,806,854
- Issue date Feb 21, 1989
- Richard Hirschmann Radiotechnisches Werk
- Hans-Dietrich Mayer
- G01 - MEASURING TESTING
Information Patent Grant
Circuit layout for an infrared room surveillance detector
- Patent number 4,795,905
- Issue date Jan 3, 1989
- Richard Hirschmann Radiotechnisches Werk
- Hermann Zierhut
- G08 - SIGNALLING
Information Patent Grant
Light emitting diode control circuit
- Patent number 4,771,219
- Issue date Sep 13, 1988
- Richard Hirschmann Radiotechnisches Werk
- Wilhelm Ludolf
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cardan ball suspension for motion sensor
- Patent number 4,702,449
- Issue date Oct 27, 1987
- Richard Hirschmann Radiotechnisches Werk
- Hermann Zierhut
- G08 - SIGNALLING
Information Patent Grant
Alarm apparatus for spatial surveillance
- Patent number 4,670,655
- Issue date Jun 2, 1987
- Richard Hirschmann Radiotechnisches Werk
- Hermann Zierhut
- G08 - SIGNALLING
Information Patent Grant
Motion detector
- Patent number 4,645,930
- Issue date Feb 24, 1987
- Richard Hirschmann Radiotechnisches Werk
- Hermann Zierhut
- G08 - SIGNALLING
Information Patent Grant
Motion detector having sensing means which determine the shape of t...
- Patent number 4,625,113
- Issue date Nov 25, 1986
- Richard Hirschmann Radiotechnisches Werk
- Hermann Zierhut
- G08 - SIGNALLING
Information Patent Grant
Motion detector for space surveillance
- Patent number 4,529,874
- Issue date Jul 16, 1985
- Richard Hirschmann Radiotechnisches Werk
- Hermann Zierhut
- G08 - SIGNALLING
Information Patent Grant
Motion detector for space surveillance
- Patent number 4,479,056
- Issue date Oct 23, 1984
- Richard Hirschmann Radiotechnisches Werk
- Hermann Zierhut
- G08 - SIGNALLING
Information Patent Grant
Assembly for mounting antenna on vehicle body
- Patent number 4,424,515
- Issue date Jan 3, 1984
- Richard Hirschmann Radiotechnisches Werk
- Erhard Arbter
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cable underpinning
- Patent number 4,386,817
- Issue date Jun 7, 1983
- Richard Hirschmann, Radiotechnisches Werk
- Horst Benker
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Automatic control system for d-c motor
- Patent number 4,338,552
- Issue date Jul 6, 1982
- Richard Hirschmann, Radiotechnisches Werk
- Karl-Heinz Pilz
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electronic signal generator with periodically varying frequency
- Patent number 4,287,510
- Issue date Sep 1, 1981
- Richard Hirschmann Radiotechnisches Werk
- Martin Siegwarth
- G08 - SIGNALLING
Information Patent Grant
Method and apparatus for quantitatively measuring the reception qua...
- Patent number 4,216,429
- Issue date Aug 5, 1980
- Richard Hirschmann, Radiotechnisches Werk
- Theodor T. Bossert
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
73597824 - HIRSCHMANN
- Serial number 73597824
- Registration number 1437841
- Filing date May 9, 1986
- RICHARD HIRSCHMANN RADIOTECHNISCHES WERK
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments

Richard Hirschmann, Radiotechnisches Werk

Organization

Patents Grantslast 30 patents

Elastomer seal

Security alarm process and apparatus

Infrared space surveillance detector circuit

Current draw and power consumption display circuit

Circuit layout for an infrared room surveillance detector

Light emitting diode control circuit

Cardan ball suspension for motion sensor

Alarm apparatus for spatial surveillance

Motion detector

Motion detector having sensing means which determine the shape of t...

Motion detector for space surveillance

Motion detector for space surveillance

Assembly for mounting antenna on vehicle body

Cable underpinning

Automatic control system for d-c motor

Electronic signal generator with periodically varying frequency

Method and apparatus for quantitatively measuring the reception qua...

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

73597824 - HIRSCHMANN