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
Driving apparatus having an optical sensor and a thermal sensor for thermal and aging compensation of backlight module and driving method of backlight module
Method of manufacturing crystalline silicon solar cells with improved surface passivation
Systems and methods for cryopreservation of cells
Digital display
Targeting agents for enhancing radiation therapy
Brushless electric motor or generator in shell construction
Method for manufacturing a substrate for a display device
  Randomly Featured Patents
Muscle-back, with insert, iron type golf club head
Analytical device for in vivo analysis in the body of a patient
Touch sensitive display device
Class D MOSFET amplifier and voltage supply balance circuit therefor
Edible bun having a compartmented central recess
Optical touch panel with heat sink
Damping mechanism
IC card connector
Film rewinding mechanism that fully retracts the film or leaves it partially extended
Unified management policy