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Class Information
Number: 346/33EC
Name: Recorders > Combined with external recorder operating means > Echo

Patents under this class:

Patent Number Title Of Patent Date Issued
5005027 Thermal recorder Apr. 2, 1991
4799168 Data recording apparatus for an ultrasonic inspection system Jan. 17, 1989
4630066 Signal quantizer Dec. 16, 1986
4381555 Apparatus for measuring the braking time of a motor vehicle Apr. 26, 1983
4205395 Depth recorder May. 27, 1980
4184210 Sonic echo scanning and facsimile recording of water submerged surfaces Jan. 15, 1980
4118709 Digital to graphic character generator Oct. 3, 1978
4104643 Echo-sounding recorder with different depth-measuring ranges Aug. 1, 1978
4096484 Graphic recording system Jun. 20, 1978
4063212 Side scan sonar system Dec. 13, 1977
4050057 Data sample recording system Sep. 20, 1977
4050067 Airborne microwave path modeling system Sep. 20, 1977
4050054 Multi-contact brush type fish detecting sonar Sep. 20, 1977
4047170 Monotrack radar recording/playback system Sep. 6, 1977
3990082 Method and means for recording of information Nov. 2, 1976
3975704 Method of and apparatus for sonar and related signal texture enhancement of recording media Aug. 17, 1976

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