The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 02, 1979
Filed:
Jun. 13, 1977
Fumio Urano, Omiya, JP;
Akihiro Arai, Tokyo, JP;
Takumi Kobayashi, Tokyo, JP;
Junji Umetsu, Tokyo, JP;
Asahi Kogaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
An SLR camera having a replaceable penta-prism 6 slidably inserted from the rear face of the camera via mating flange rails 13a on the finder body and recessed grooves 8a in the camera body, a replaceable focal plate or screen 3 removably mounted in a pivotal holding plate 11 accessible through the lens mount 9, and a meter display system extending into the viewing frame of the finder and interposed between the penta-prism and the focal plate. The display system may include a shutter speed scale 15 and an overlying manual speed pointer 16 readable from the lens light, and an inset LED array 17 for indicating the meter reading.