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公开(公告)号：FR2179401A5
公开(公告)日：1973-11-16
申请号：FR7311092
申请日：1973-03-28
Applicant: ELECTRONICS CORP AMERICA
Abstract: A code sensing system includes scanning means for producing electrical signals corresponding to code marks in a row. The value of the code mark is determined by its position in its digit space in the row. A code sampling gate is generated at a particular point in each digit space and a data output is produced if the scanning means is producing a code mark output at that time.
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公开(公告)号：FR2080800B1
公开(公告)日：1973-10-19
申请号：FR7102657
申请日：1971-01-27
Applicant: ELECTRONICS CORP AMERICA
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公开(公告)号：DE2315527A1
公开(公告)日：1973-10-11
申请号：DE2315527
申请日：1973-03-28
Applicant: ELECTRONICS CORP AMERICA
IPC: F23N5/08
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公开(公告)号：BE797401A
公开(公告)日：1973-07-16
申请号：BE129322
申请日：1973-03-27
Applicant: ELECTRONICS CORP AMERICA
Inventor： THOMSON DEE C
Abstract: A code sensing system includes scanning means for producing electrical signals corresponding to code marks in a row. The value of the code mark is determined by its position in its digit space in the row. A code sampling gate is generated at a particular point in each digit space and a data output is produced if the scanning means is producing a code mark output at that time.
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公开(公告)号：FR2143133A1
公开(公告)日：1973-02-02
申请号：FR7222224
申请日：1972-06-20
Applicant: ELECTRONICS CORP AMERICA
Abstract: The invention describes a fail safe voltage responsive circuit for producing an output level indicative of the relationship between two voltage levels. The voltage responsive circuit includes a fail-safe comparison circuit which assumes alternative modes in response to an alternating signal introduced into the comparison circuit when the voltage levels are within a predetermined range, one relative to the other. When the voltage levels are outside the range or if a component fails, the comparison circuit ceases to alternate between modes. The voltage responsive circuit is used in a preferred application involving a fail-safe combustion control system wherein one voltage level is used to supply bias current to a photoconductive cell, the cell sensing the presence or absence of flame.
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Patent Agency Ranking
公开(公告)号：DE2230343A1
公开(公告)日：1972-12-28
申请号：DE2230343
申请日：1972-06-21
Applicant: ELECTRONICS CORP AMERICA
Abstract: The invention describes a fail safe voltage responsive circuit for producing an output level indicative of the relationship between two voltage levels. The voltage responsive circuit includes a fail-safe comparison circuit which assumes alternative modes in response to an alternating signal introduced into the comparison circuit when the voltage levels are within a predetermined range, one relative to the other. When the voltage levels are outside the range or if a component fails, the comparison circuit ceases to alternate between modes. The voltage responsive circuit is used in a preferred application involving a fail-safe combustion control system wherein one voltage level is used to supply bias current to a photoconductive cell, the cell sensing the presence or absence of flame.
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公开(公告)号：FR2103485A1
公开(公告)日：1972-04-14
申请号：FR7130245
申请日：1971-08-19
Applicant: ELECTRONICS CORP AMERICA
Abstract: A condition responsive system comprises a condition sensor for producing a fluctuating output signal having a predetermined frequency component in response to sensing of the condition to be detected, an output device arranged to assume a first state indicative of the presence of the condition being sensed when the sensor senses the condition and produces the fluctuating output signal and a second state indicative of the absence of the condition when the sensor does not produce the fluctuating output signal, and means responsive to the fluctuating output signal and connected in circuit between the sensor and the output device including an inductor for blocking signals of higher frequency than the frequency of the fluctuating output signal, a capacitor connected in series with the indicator for blocking signals of lower frequency than the frequency of the fluctuating output signal and a fail safe rectification circuit connected in circuit between the series combination of the capacitor and the inductor and the output device.
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公开(公告)号：BE775469A
公开(公告)日：1972-03-16
申请号：BE775469
申请日：1971-11-17
Applicant: ELECTRONICS CORP AMERICA
Inventor： BRYANT J A
Abstract: A burner control system includes a plurality of field indicators indicative of the status of components of the burner system, control logic responsive to the field indicators for control burner control signals, logic bypass c0ntrol and circuitry responsive to the logic bypass control for establishing the status of the control logic as a function of the field indicators so that the control logic is maintained in synchronism with the field indicators.
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公开(公告)号：BE770632A
公开(公告)日：1971-12-01
申请号：BE770632
申请日：1971-07-28
Applicant: ELECTRONICS CORP AMERICA
Inventor： CADE P J
Abstract: 1355376 Time delay switching circuits ELECTRONICS CORP OF AMERICA 20 July 1971 [3 Aug 1970] 34021/71 Heading H3T [Also in Division F4] Combustion of a burner is initiated by closing contacts 60-2 of a switch 60 to connect a capacitor 62, previously charged through contacts 60-1, to the base of a transistor 72 which actuates a transistor 46 to open a fuel valve 50, thus allowing an ignition attempt. The period allowed for ignition is determined by the discharging of capacitor 62 which switches off transistor 72 to close valve 50 unless successful ignition holds the valve open by means of an ultra violet sensor 20 which switches on a transistor 36 through a transformer 26 when a flame is present, and thus keeps transistor 46 in its conducting state.
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公开(公告)号：BE762136A
公开(公告)日：1971-07-01
申请号：BE762136
申请日：1971-01-27
Applicant: ELECTRONICS CORP AMERICA
Inventor： CADE P J
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