GB1312478A - Electronic function generators - Google Patents

Electronic function generators

Info

Publication number
GB1312478A
GB1312478A GB2527570A GB1312478DA GB1312478A GB 1312478 A GB1312478 A GB 1312478A GB 2527570 A GB2527570 A GB 2527570A GB 1312478D A GB1312478D A GB 1312478DA GB 1312478 A GB1312478 A GB 1312478A
Authority
GB
United Kingdom
Prior art keywords
specified event
series
events
responsive
circuit
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
Application number
GB2527570A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ultra Electronics Ltd
Original Assignee
Ultra Electronics Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ultra Electronics Ltd filed Critical Ultra Electronics Ltd
Publication of GB1312478A publication Critical patent/GB1312478A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
    • G06F7/70—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers using stochastic pulse trains, i.e. randomly occurring pulses the average pulse rates of which represent numbers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M15/00—Testing of engines
    • G01M15/04—Testing internal-combustion engines
    • G01M15/12—Testing internal-combustion engines by monitoring vibrations
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/24—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating logarithmic or exponential functions, e.g. hyperbolic functions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/48—Analogue computers for specific processes, systems or devices, e.g. simulators
    • G06G7/64—Analogue computers for specific processes, systems or devices, e.g. simulators for non-electric machines, e.g. turbine
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C3/00—Registering or indicating the condition or the working of machines or other apparatus, other than vehicles
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/124—Sampling or signal conditioning arrangements specially adapted for A/D converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Chemical & Material Sciences (AREA)
  • Computational Mathematics (AREA)
  • Computing Systems (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Software Systems (AREA)
  • Burglar Alarm Systems (AREA)

Abstract

1312478 Electric analogue calculating ULTRA ELECTRONICS Ltd 12 May 1971 [26 May 1970] 25275/70 Heading G4G An apparatus for generating a function, such as an antilogarithmic function, comprises a white noise generator 10 for deriving a stationary random time series of events, scanning means 15 responsive to an input applied through circuits 19, 20 to control the duration of repeated scans of the series, detecting means for determining when a specified event occurs in a scan and output means such as a stepping motor 17 and counter 18 responsive to such events. The specified event in Fig. 2 is when the instantaneous output of the noise generator exceeds the mean level as derived from circuit 12, the instantaneous and mean levels being compared in an amplifier 13. The process is repeated by the action of a clock circuit 16. In Fig. 1 (not shown) the specified event in the random series is when the white noise is at zero level and is positivegoing, this causing a bistable circuit (4) to be reset.
GB2527570A 1970-05-26 1970-05-26 Electronic function generators Expired GB1312478A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2527570 1970-05-26

Publications (1)

Publication Number Publication Date
GB1312478A true GB1312478A (en) 1973-04-04

Family

ID=10225086

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2527570A Expired GB1312478A (en) 1970-05-26 1970-05-26 Electronic function generators

Country Status (2)

Country Link
FR (1) FR2093675A5 (en)
GB (1) GB1312478A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988001081A1 (en) * 1986-07-29 1988-02-11 Qualitrol Corporation Transformer life consumption indicator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988001081A1 (en) * 1986-07-29 1988-02-11 Qualitrol Corporation Transformer life consumption indicator

Also Published As

Publication number Publication date
FR2093675A5 (en) 1972-01-28

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee