Electronic apparatus having display portion and oscillator and manufacturing method of the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 5, 2009
Grant Date -
Dec 21, 2006
app pub date -
Aug 29, 2006
filing date -
Mar 6, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In an electronic apparatus comprising a digital display portion and first and second oscillators comprising first and second oscillating circuits, each of the first and second oscillating circuits having a resonator, an amplifier, a plurality of capacitors, and at least one resistor, a mode of vibration of the resonator of the first oscillating circuit being the same as that of the resonator of the second oscillating circuit, an output signal being output from each of the first and second oscillating circuits, the output signal of one of the first and second oscillating circuits being a clock signal for use in operation of the electronic apparatus to display time information at the digital display portion.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
PIEDEK TECHNICAL LABORATORY | 1-44-1 KAMITAKADA NAKANO-KU 164-0002 |
International Classification(s)

- 2006 Application Filing Year
- H03B Class
- 479 Applications Filed
- 258 Patents Issued To-Date
- 53.87 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Kawashima, Hirofumi | Tokyo , JP | 70 | 741 |
# of filed Patents : 70 Total Citations : 741 |
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Patent Citation Ranking
- 8 Citation Count
- H03B Class
- 2.38 % this patent is cited more than
- 16 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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