CN1156088C

CN1156088C - Decoder circuit of binary dial code

Info

Publication number: CN1156088C
Application number: CNB001137883A
Authority: CN
Inventors: 盛伯弘
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-04-11
Filing date: 2000-04-11
Publication date: 2004-06-30
Anticipated expiration: 2020-04-11
Also published as: CN1317881A

Abstract

The present invention relates to a decoding circuit of a binary dial code, which has the technical scheme that pointer numbers are decoded into decimal electric signals; a decoding circuit of two significant digits of the pointer numbers is used as a standard unit decoding circuit and is spliced and simplified on the basis of the unit decoding circuit; the unit decoding circuit is characterized in that electric signals with two significant digits are changed into the decimal electrical signals arranged according to bit and sequence through the measures of no carry, bit oriented decoding, equivalent interference-proof wire or main channel signal continuing provided by holding channels, etc. The present invention base on the unit decoding circuit can be flexibly spliced and simplified in order to adapt decoding of various dial plates; the present invention can be made into a standard module which is convenient in use; the present invention can be used for automatic processing.

Description

Decoder circuit of binary dial code

The present invention relates to a kind of electronic technology, especially a kind of decoder circuit of binary dial code.

Pointer index is widely adopted aspect two: at first, and in all kinds of mechanical structure instrument, as the frame of reference of such instrument.Though, because the fast development of A/D device, impel all kinds of digital displaying meters to occur in a large number, but because pointer index meter reading agility, directly perceived, custom, advantage such as stable, only need the monitoring scene of qualitative test in major part, or as first-selected instrument, a large amount of employing makes it have unshakable leading position in instrument with it.Secondly, pointer index also extensively adopts in regulation and control class mechanism, mechanism as indication regulation and control positions such as rotary type handle, handwheel, spiral micrometer, precise adjustable pitch, various portable balanced lever, slide rule, scales plays an important role in multiple production equipment.

Because pointer index disconnects aspect reading and record, index and regulation and control, data and networking, brings inconvenience to automatic measure control again.

The object of the present invention is to provide a kind of ten's digit signal of telecommunication output of can exactly pointer index being transformed into, and be standard cell, can be made into standard module, be convenient to the decoder circuit of binary dial code that splices, simplifies the decoding circuit standard.

Purpose of the present invention can realize by following measure:

A kind of decoder circuit of binary dial code is pointer index to be produced and receive change-over circuit through signal convert to and only contain a high level and the low level binary dial code of multidigit,, and on the basis of cell decode circuit, splice or simplify as the standard cell decoding circuit with decoding with two position effective digital output signals; Described cell decode circuit is that dial code is exported simultaneously by no-carry, step-by-step decoding; The anti-tampering line of equivalent signal or; The continuity of anteposition signal is provided by the position, back, and according to output on signal of telecommunication warp that has the first identical position effective digital in two position effective digitals or the corresponding main channel that is connected to its significant digits and be held, the signal of telecommunication that will have identical second position effective digital is divided into the two-way warp or is connected to its corresponding end output; All significant digits signals are by line or receive same output, as a token of output then.

The present invention has following advantage compared to existing technology:

The present invention can be made into standard module with decoding circuit standard and blocking, is convenient to splicing, simplifies; The present invention is translated into the decadic signaling that step-by-step is arranged according to the order of sequence with binary dial code, through the decoding circuit generation binary-coded decimal output and the demonstration of routine, is convenient to dial plate pointer index automation record, regulation and control, has solved decoding problem in the pointer index digitlization.The present invention is based on the cell decode circuit, and is sliceable or be simplified to various dial plate decoding circuits, thereby the present invention can be made into standard module, is convenient to standard and uses.

Concrete structure of the present invention is provided by the following drawings:

Fig. 1 is cell decode embodiment circuit theory diagrams of the present invention

Fig. 2 is the present invention's three position effective digital decoding circuit schematic diagrams

Fig. 3 is the present invention's four position effective digital decoding circuit schematic diagrams

Fig. 4 is cell decode circuit reduction connection circuit theory diagrams of the present invention

The present invention also incites somebody to action in conjunction with the accompanying drawings, and embodiment is described in further detail:

With reference to Fig. 1, a kind of decoder circuit of binary dial code is that pointer index is produced and receive the binary dial code that change-over circuit converts to through signal,, on the basis of cell decode circuit, splice or simplify as the standard cell decoding circuit with decoding with two position effective digital output signals; Described cell decode circuit is that the signal of telecommunication that will have the first identical position effective digital in two position effective digitals is connected on the main channel of its significant digits output and is held through the diode correspondence, the signal that will have identical second position effective digital through diode respectively correspondence be connected into two-way output; All significant digits signals of telecommunication are all received same output, as a token of output by diode then.Concrete connection is as follows, be about to dial plate output termination and be 00,10,20 ... 90 by diode D ₀₁, D ₁₁, D ₂₁D ₉₁Receive S respectively ₀, S ₁, S ₂S ₉On.Constitute first in full force and effect digital 0,1,2 in cell decode circuit ... 9 main channel.The lead end that will have identical first (ten) numbering number is again received by diode on the output termination of above-mentioned tool jack per line, promptly 05,15,25 ... 95 by diode D ₀₆, D ₁₆, D ₂₆... D ₉₆Receive S respectively ₀, S ₁, S ₂... S ₉, on, constitute S ₁, S ₁, S ₂S ₉Signal keep passage.

With all terminations be numbered 00,10,20 ... 90 and 05,15,25 ... 95 by diode D ₁₀, D ₂₀, D ₃₀... D ₉₀And D ₀₅, D ₁₅, D ₂₅D ₉₅Receive together, constitute output termination F ₀, be the mark output end of cell decode circuit, promptly last position effective digital output.F ₀Two deliveries are arranged: one is F ₀, another is F ₀', F ₀Directly import display circuit, and F ₀' be spliced into small-sized, medium-sized, large-scale decoding circuit usefulness by diode and other cell decode circuit.

Dial plate exported have identical second numbering in the termination receive together by diode the termination of (individual position), constitute T ₀, T ₉Lift one's head.Promptly 00 by diode D ₁₁10 by diode D ₁₂20 by diode D ₂₂90 by diode D ₉₇Receive together, form T ₉Delivery.And 05 by diode D ₉₇15 by diode D ₁₇25 by diode D ₂₇95 by diode D ₉₇Receive together, form T ₉Delivery.T ₀, T ₉Become second position effective digital " 0 " " 5 ".

With reference to Fig. 2, the dial plate of a complexity is spliced after can being repeated by the unit dial plate, and corresponding decoding circuit also can repeat the back splicing by the cell decode circuit and form.Connected one by one by ten unit dial plates and to combine, constitute a small-sized dial plate, the dial plate scale diffuses into 000 to 995 from 00 to 95 of unit dial plate, has constituted three position effective digital reading dial plates.Corresponding small-sized decoding circuit too, by ten cell decode circuit U ₁The formation that continues, input termination diffuse into 200 from 20, and corresponding 200 the output termination constitutes three position effective digitals with the inner meter dial sign indicating number, and first in three position effective digitals by F ₀, F ₁, F ₂... F ₉Constitute.Second by S ₀, S ₁, S ₂... S ₉Constitute, the 3rd by T ₀, T ₉Constitute.M ₁Be the identification delivery of whole small-sized decoding circuit, promptly last position effective digital output termination.M is also arranged ₁And M ₂' two termination, M ₀Connect the input display circuit, and M ₁' be spliced into medium-sized decoding circuit by diode and other small-sized decoding circuits.

With reference to Fig. 3, a medium-sized dial plate can be continued by ten small-sized dial plates and constitute, and dial plate scale number diffuses into 0000 to 9995 from 000 to 995 of small-sized dial plate, constitutes the medium-sized reading dial plate of four position effective digitals.Corresponding medium-sized decoding circuit G ₁, also be by ten small-sized decoding circuit E ₁One with formations that continues, and the input termination diffuses into 2000 with interior dial code from 200, exports the termination and constitutes four position effective digitals, and first in four position effective digitals by M ₀, M ₁, M ₂... M ₉Constitute, second by F ₀, F ₁, F ₂... F ₉Constitute, the 3rd by S ₀, S ₁, S ₂... S ₉Constitute, the 4th by T ₀, T ₅Constitute.And L ₀The identification output of whole medium-sized decoding circuit is last position effective digital output termination, also divides L ₀And L ₀' two termination, L ₀Directly import display circuit, and L ₀' be spliced into large-scale decoding circuit by diode and other medium-sized decoding circuits.

With reference to Fig. 4 is that the unit dial plate of two position effective digitals is simplified connection, after the unit dial plate is divided into ten five equilibriums, can not divide again.Whenever be divided into 1/10th between adjacent ten reticles, with 00,10,20 ... 90 expression output terminations, its corresponding cell decode circuit only needs U ₁05,15,25 ... 95 termination ground connection promptly are reduced to the cell decode circuit that adapts to this dial plate.In like manner can obtain five five equilibriums, quartering simplification connection schematic diagram.Also can obtain the cell decode circuit part and use reduced graph.

Claims

1, a kind of decoder circuit of binary dial code, it is characterized in that with pointer index through signal produce and receive binary dial code that change-over circuit converts to decoding with two position effective digital output signals as the standard cell decoding circuit, and on the basis of cell decode circuit, splice or simplify; Described cell decode circuit is to have on the signal of telecommunication warp of the first identical position effective digital or the corresponding main channel that is connected to its significant digits output in two position effective digitals and to be held, and the signal that will have identical second position effective digital is divided into the two-way warp or is connected to its corresponding end output; All significant digits are all by line or receive same output, as a token of output then.

2, decoder circuit of binary dial code as claimed in claim 1, the splicing that it is characterized in that described cell decode circuit be with the cell decode circuit by the mark output end of its significant digits that need export one by one correspondence link to each other step by step, can finish by the small-sized medium-to-large decoding circuit that is spliced to.

3, decoder circuit of binary dial code as claimed in claim 1, the simplification that it is characterized in that described cell decode circuit are that the scale features by the dial plate significant digits decides, and the correspondence input termination ground connection of useless scale in decoding circuit can be simplified; Described cell decode circuit also can partly use, and the component part decoding circuit adapts to incomplete scale dial plate.