Multiple security video display

Patent 5258837 Issued on November 2, 1993. Estimated Expiration Date:

October 19, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

Television special effects arrangement
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Television receiver displaying multiplex video information on a vertically oblong display screen and an information displaying method thereof
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Method and device for processing multiple video signals Patent #: 5040067
Issued on: 08/13/1991
Inventor: Yamazaki

Inventor

Gormley, Austin

Assignee

Zandar Research Limited

Application

No. 962775 filed on 10/19/1992

US Classes:

348/441, FORMAT CONVERSION348/584Combining plural sources

Examiners

Primary: Powell, Mark R.

Attorney, Agent or Firm

Ladas & parry

Foreign Patent References

62-108692 JP. 05/13/1987
63-146671 JP. 06/13/1988
63-179671 JP. 07/13/1988
1017580 JP. 01/13/1989
1-221067 JP 09/13/1989
1-264381 JP. 10/13/1989
2222343 GB. 02/13/1990

International Class

H04N 005/445

Foreign Application Priority Data

1991-01-07 IE

Abstract

Monitoring apparatus for a security system comprises a monitor 21 and twelve video cameras C1 to C12. An effects unit 20 includes a buffer memory 24 and a set of 13 video compression units 23. Twelve of these units generate twelve zones of small size for displaying small complete images on the monitor from the video camera outputs, and the 13th generates a central zone of larger size. Selection means 25 select any desired one of the camera outputs for display as the large image.