US Patent No: 4,886,983

Number of patents in Portfolio can not be more than 2000

Reset pulse generating device

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Importance

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Abstract

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The disclosed preset pulse generating device serves a digital system which is controlled by a clock pulse oscillating circuit and returned to the initial state by a reset pulse. It includes a first circuit which is charged to a predetermined level when the clock pulse oscillating circuit is operating, and a charge level detecting circuit for producing the reset pulse when the output of the first circuit falls below the predetermined level as the clock pulse oscillating circuit stops operating.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
CANON KABUSHIKI KAISHATOKYO55597

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Taka, Hideo Kanagawa, JP 79 199

Cited Art Landscape

Patent Info (Count) # Cites Year
 
GENERAL ELECTRIC COMPANY (1)
4,367,422 Power on restart circuit 27 1980
 
LORAL CORPORATION (1)
4,306,191 Initializing circuit for long-time constant electronic devices 4 1979
 
NIPPON MOTOROLA LTD. (1)
4,553,054 Power on reset circuit for microprocessor 7 1983
 
RCA Corporation (1)
4,365,174 Pulse counter type circuit for power-up indication 15 1980

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
MITSUBISHI DENKI KABUSHIKI KAISHA (2)
5,578,942 Super VCC detection circuit 1 1995
5,719,517 Clock generating circuit for digital circuit operating in synchronism with clock, semiconductor integrated circuit including them, and logical gate used for them 4 1996
 
Burr-Brown Corporation (1)
5,281,866 Reference voltage circuit allowing fast power up from low power standby condition 14 1993
 
GLOBALFOUNDRIES INC. (1)
5,561,389 Clock conditioning circuit for microprocessor applications 8 1994
 
KABUSHIKI KAISHA TOSHIBA (1)
5,140,183 Rush current prevention circuit 13 1990
 
LINEAR TECHNOLOGY CORPORATION (1)
4,982,116 Clock selection circuit 20 1989
 
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. (1)
5,617,049 Pulse signal generator and redundancy selection signal generator 6 1995
 
Pioneer Electronic Corporation (1)
5,140,178 Reset circuit for microcomputer 10 1991
 
SGS-Thomson Microelectronics S.A. (1)
5,027,006 Circuit for detecting a supply voltage drop and for resetting an initialization circuit 10 1989
 
SPANSION LLC (1)
5,376,835 Power-on reset circuit 7 1992
 
TEXAS INSTRUMENTS INCORPORATED (1)
5,347,173 Dynamic memory, a power up detection circuit, and a level detection circuit 13 1992
 
UNITED MICROELECTRONICS CORP. (1)
5,619,155 IC-chip operation inhibitor 5 1995