CA959132A - Fail-safe electronic comparator circuit - Google Patents
Fail-safe electronic comparator circuitInfo
- Publication number
- CA959132A CA959132A CA134,900A CA134900A CA959132A CA 959132 A CA959132 A CA 959132A CA 134900 A CA134900 A CA 134900A CA 959132 A CA959132 A CA 959132A
- Authority
- CA
- Canada
- Prior art keywords
- fail
- comparator circuit
- safe electronic
- electronic comparator
- safe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- 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
- H03K5/22—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
- H03K5/24—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
- H03B5/1206—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device using multiple transistors for amplification
- H03B5/1212—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device using multiple transistors for amplification the amplifier comprising a pair of transistors, wherein an output terminal of each being connected to an input terminal of the other, e.g. a cross coupled pair
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
- H03B5/1231—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier comprising one or more bipolar transistors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
- H03B5/1296—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the feedback circuit comprising a transformer
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Manipulation Of Pulses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12437471A | 1971-03-15 | 1971-03-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA959132A true CA959132A (en) | 1974-12-10 |
Family
ID=22414483
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA134,900A Expired CA959132A (en) | 1971-03-15 | 1972-02-17 | Fail-safe electronic comparator circuit |
Country Status (4)
Country | Link |
---|---|
US (1) | US3747014A (fr) |
AU (1) | AU3694271A (fr) |
CA (1) | CA959132A (fr) |
GB (1) | GB1315109A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3950690A (en) * | 1973-11-19 | 1976-04-13 | Westinghouse Air Brake Company | Fail-safe reference voltage source |
US4044272A (en) * | 1976-08-12 | 1977-08-23 | Westinghouse Air Brake Company | Fail-safe electronic time delay circuit |
US4320315A (en) * | 1979-04-20 | 1982-03-16 | American Standard Inc. | Fail-safe and gate circuit |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2589240A (en) * | 1945-04-07 | 1952-03-18 | William E Frye | Double pulse generator |
NL239629A (fr) * | 1958-05-28 | |||
US3046535A (en) * | 1959-02-02 | 1962-07-24 | Cutler Hammer Inc | Measurement apparatus |
US3161785A (en) * | 1960-06-20 | 1964-12-15 | Stevens Arnold Inc | Electromagnetic switches |
GB1026894A (en) * | 1964-11-25 | 1966-04-20 | Mullard Ltd | Improvements in or relating to astable multivibrator circuit arrangements |
GB1067969A (en) * | 1965-06-16 | 1967-05-10 | Dynatel Ltd | Improvements in or relating to voltage-controlled oscillators |
US3401274A (en) * | 1965-09-10 | 1968-09-10 | Westinghouse Air Brake Co | Fail-safe standard amplitude signal sources |
US3382457A (en) * | 1967-01-03 | 1968-05-07 | Sperry Rand Corp | Wide band voltage controlled multivibrator |
-
1971
- 1971-03-15 US US00124374A patent/US3747014A/en not_active Expired - Lifetime
- 1971-12-16 AU AU36942/71A patent/AU3694271A/en not_active Expired
-
1972
- 1972-02-17 CA CA134,900A patent/CA959132A/en not_active Expired
- 1972-03-08 GB GB1067172A patent/GB1315109A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3747014A (en) | 1973-07-17 |
GB1315109A (en) | 1973-04-26 |
AU3694271A (en) | 1973-06-21 |
AU460471B2 (fr) | 1975-04-24 |
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