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Class Information
Number: 178/118
Name: Telegraphy > Receivers
Description: Miscellaneous devices for converting received telegraph signals into a perceptible form.

Sub-classes under this class:

Class Number Class Name Patents
178/89 Code recorders 1
178/119 Optical member 1
178/98 Sounders 0
178/120 With electron tube or solid-state device 1

Patents under this class:

Patent Number Title Of Patent Date Issued
7715442 Method, apparatus, and system of wireless transmission with frame alignment May. 11, 2010
4363933 Automatic navigation station identifier and monitor Dec. 14, 1982
4197501 System for reception of frequency modulated digital communication signals Apr. 8, 1980

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