1917108

Information

• Patent Grant
• 1917108

• References
• Source

• Patent Number

  1,917,108

• Date Filed

  Not available

• Date Issued

  Tuesday, July 4, 1933
  91 years ago

• CPC

  • H05G1/38 - exposure time
  • H05G1/28 - Measuring or recording actual exposure time Counting number of exposures Measuring required exposure time
  • H05G1/44 - in which the switching instant is determined by measuring the amount of radiation directly
  • Y10T307/957 - Electrically initiated

• US Classifications

  • 378 - X-ray or gamma ray systems or devices
  • 307 - Electrical transmission or interconnection systems