BR8700838A - Circuito multiplicador de frequencia - Google Patents
Circuito multiplicador de frequenciaInfo
- Publication number
- BR8700838A BR8700838A BR8700838A BR8700838A BR8700838A BR 8700838 A BR8700838 A BR 8700838A BR 8700838 A BR8700838 A BR 8700838A BR 8700838 A BR8700838 A BR 8700838A BR 8700838 A BR8700838 A BR 8700838A
- Authority
- BR
- Brazil
- Prior art keywords
- circuit
- frequency
- frequency multiplicator
- multiplicator circuit
- multiplicator
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K13/00—Conveying record carriers from one station to another, e.g. from stack to punching mechanism
- G06K13/02—Conveying record carriers from one station to another, e.g. from stack to punching mechanism the record carrier having longitudinal dimension comparable with transverse dimension, e.g. punched card
- G06K13/08—Feeding or discharging cards
- G06K13/0806—Feeding or discharging cards using an arrangement for ejection of an inserted card
- G06K13/0825—Feeding or discharging cards using an arrangement for ejection of an inserted card the ejection arrangement being of the push-push kind
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/00006—Changing the frequency
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Nonlinear Science (AREA)
- Manipulation Of Pulses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/837,997 US4691170A (en) | 1986-03-10 | 1986-03-10 | Frequency multiplier circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8700838A true BR8700838A (pt) | 1987-12-22 |
Family
ID=25276000
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8700838A BR8700838A (pt) | 1986-03-10 | 1987-02-23 | Circuito multiplicador de frequencia |
Country Status (5)
Country | Link |
---|---|
US (1) | US4691170A (pt) |
EP (1) | EP0237753A1 (pt) |
JP (1) | JPS62213412A (pt) |
BR (1) | BR8700838A (pt) |
CA (1) | CA1263455A (pt) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61138681A (ja) * | 1984-12-10 | 1986-06-26 | Kanebo N S C Kk | エマルジヨン接着剤 |
US4873704A (en) * | 1988-05-09 | 1989-10-10 | Cpt Corporation | Method and apparatus for effectively doubling the operational speed of selected digital circuits |
US5045715A (en) * | 1990-03-19 | 1991-09-03 | Apple Computer, Inc. | Circuit for generating stretched clock phases on a cycle by cycle basis |
US5257301A (en) * | 1992-03-30 | 1993-10-26 | Trw Inc. | Direct digital frequency multiplier |
US6157226A (en) * | 1997-05-23 | 2000-12-05 | Mitsubishi Denki Kabushiki Kaisha | Clock generator |
JP3372198B2 (ja) * | 1997-09-17 | 2003-01-27 | 株式会社東芝 | 周波数逓倍器 |
US6415008B1 (en) * | 1998-12-15 | 2002-07-02 | BéCHADE ROLAND ALBERT | Digital signal multiplier |
JP4780865B2 (ja) * | 2001-07-19 | 2011-09-28 | 富士通セミコンダクター株式会社 | 周波数逓倍装置 |
US6959179B1 (en) * | 2002-02-06 | 2005-10-25 | National Semiconductor Corporation | Down/up-conversion mixer for direct conversion radios |
US20100141307A1 (en) * | 2008-12-08 | 2010-06-10 | Ta-Yung Yang | Frequency multiplier and method for frequency multiplying |
JP2010210347A (ja) * | 2009-03-09 | 2010-09-24 | Brother Ind Ltd | エンコーダ信号処理装置、エンコーダ信号処理方法、及び搬送装置 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1177695B (de) * | 1958-09-19 | 1964-09-10 | Siemens Ag | Schaltungsanordnung zur Frequenz-vervielfachung und ihre Anwendung zur Frequenzmessung |
US2992326A (en) * | 1959-08-10 | 1961-07-11 | Leonard R Kahn | Frquency translating circuitry |
US3443463A (en) * | 1965-07-26 | 1969-05-13 | Chicago Musical Instr Co | Frequency doubler and coupler for electronic music generation systems |
US3445685A (en) * | 1966-11-10 | 1969-05-20 | Gen Dynamics Corp | Filtering apparatus |
US3551826A (en) * | 1968-05-16 | 1970-12-29 | Raytheon Co | Frequency multiplier and frequency waveform generator |
US3673391A (en) * | 1970-12-16 | 1972-06-27 | Northern Electric Co | Digital frequency multiplying system |
US3798564A (en) * | 1971-03-08 | 1974-03-19 | J Langham | Digital frequency multiplier |
US3743946A (en) * | 1971-06-11 | 1973-07-03 | Halliburton Co | Variable frequency multiplier and phase shifter |
US3739156A (en) * | 1971-07-21 | 1973-06-12 | Chandler Evans Inc | Frequency multiplier |
US3786357A (en) * | 1971-11-30 | 1974-01-15 | Gen Electric | Digital pulse train frequency multiplier |
DE2212911A1 (de) * | 1972-03-17 | 1973-09-27 | Sauter August Gmbh | Verfahren zur frequenzvervielfachung |
US3922593A (en) * | 1974-11-04 | 1975-11-25 | Rca Corp | Circuit for producing odd frequency multiple of an input signal |
US3970954A (en) * | 1975-04-03 | 1976-07-20 | Bell Telephone Laboratories, Incorporated | Digital frequency multiplier |
US4025866A (en) * | 1975-11-10 | 1977-05-24 | Nasa | Open loop digital frequency multiplier |
JPS583367B2 (ja) * | 1975-11-29 | 1983-01-21 | 松下電工株式会社 | ホウデントウヨウアンテイキノ セイゾウホウホウ |
JPS5456757A (en) * | 1977-10-14 | 1979-05-08 | Toshiba Corp | Pulse generator |
US4244027A (en) * | 1979-03-19 | 1981-01-06 | Rca Corporation | Digital open loop programmable frequency multiplier |
US4339722A (en) * | 1979-05-23 | 1982-07-13 | Micro Consultants Limited | Digital frequency multiplier |
JPS5632825A (en) * | 1979-08-27 | 1981-04-02 | Shimadzu Corp | Frequency multiplying circuit |
JPS60154711A (ja) * | 1984-01-25 | 1985-08-14 | Fujitsu Ltd | 周波数2逓倍回路 |
US4596954A (en) * | 1984-02-29 | 1986-06-24 | American Microsystems, Inc. | Frequency doubler with fifty percent duty cycle output signal |
-
1986
- 1986-03-10 US US06/837,997 patent/US4691170A/en not_active Expired - Fee Related
-
1987
- 1987-01-20 JP JP62009221A patent/JPS62213412A/ja active Pending
- 1987-02-05 EP EP87101589A patent/EP0237753A1/en not_active Withdrawn
- 1987-02-16 CA CA000529783A patent/CA1263455A/en not_active Expired
- 1987-02-23 BR BR8700838A patent/BR8700838A/pt unknown
Also Published As
Publication number | Publication date |
---|---|
EP0237753A1 (en) | 1987-09-23 |
CA1263455A (en) | 1989-11-28 |
US4691170A (en) | 1987-09-01 |
JPS62213412A (ja) | 1987-09-19 |
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