Title:
PHOTOGRAPHING SYSTEM AND TELEVISION LENS DEVICE
Document Type and Number:
Japanese Patent JP3478740
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a photographing system by which the motion signal of each device such as zooming, iris, focusing of a television lens is transmitted to a system computer as an accurate signal without causing time delays.
SOLUTION: This photographing system is provided with a command signal system transmission means, that transmits a command signal 112 from a command device 109 to the drive means of a television lens 101 and which a detection signal system transmission means, that transmits a detection signal from detection means 107, 108 which detect the operation of the drive mechanism of the television lens 101 to a system computer 1103, in terms of a digital parallel signal.
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Inventors:
Akira Senda
Application Number:
JP27360698A
Publication Date:
December 15, 2003
Filing Date:
September 28, 1998
Export Citation:
Assignee:
Canon Inc
International Classes:
G02B7/08; H04N5/222; H04N5/232; H04N5/272; (IPC1-7): H04N5/272; G02B7/08; H04N5/232
Domestic Patent References:
| JP11271866A | ||||
| JP11258482A | ||||
| JP63307305A | ||||
| JP1268363A | ||||
| JP604909A | ||||
| JP200066288A | ||||
| JP11288030A | ||||
| JP2001506819A | ||||
| JP9510336A |
Attorney, Agent or Firm:
Masayuki Kishida (2 outside)
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