Resources Contact Us Home
Browse by Category: Main > Communications
Class Information
Number: 178/90
Name: Telegraphy > Receivers > Code recorders > Photographic
Description: Code recorders in which the record is made by photography.

Patents under this class:

Patent Number Title Of Patent Date Issued
4475115 Banding-free printing by linear array of photosources Oct. 2, 1984
4450929 Acoustic energy systems May. 29, 1984

  Recently Added Patents
Electronic component and reflected-wave cancelling method
Methods circuits apparatuses and systems for facilitating access to online content
Apparatus and method for phase synchronization in radio frequency transmitters
Brushless electric motor or generator in shell construction
Late loading rich media
Recovery of a hot-pluggable serial communication link
Cellulose ester compositions having low birefringence and films made therefrom
  Randomly Featured Patents
Pressure-vacuum fluid handling system and method of removing and replacing engine coolant
Stabilizing system for computer hardware
Method and system for controlling a permanent magnet machine
Variable capacity refrigerant compressor
Apparatus for and method of disinfecting hands
Image forming apparatus having editing function
Advertising system using radio communication between advertiser and consumer
Method and apparatus for providing demographically targeted television commercials
Methods and devices for establishing an area party line service for telephone calls
Method for buffered serial peripheral interface (SPI) in a serial data bus