IEC 60948-1988 Numeric keyboard for home electronic systems (HES)《家庭电子系统(HES)的数字键盘(HES)》.pdf

1、NORME INTERNATIONALE INTERNATIONAL STANDARD CE1 IEC 60948 Premire dition First edition 1988-06 Clavier numrique pour systmes lectroniques domestiques (SED) Numeric keyboard for home electronic systems (HES) Numro de rfrence Reference number CEIIIEC 60948: 1988 Numros des publications Depuis le ler j

2、anvier 1997, les publications de la CE1 sont numrotes partir de 60000. Publications consolides Les versions consolides de certaines publications de la CE1 incorporant les amendements sont disponibles. Par exemple, les numros ddition 1.0, 1.1 et 1.2 indiquent respectivement la publication de base, la

3、 publication de base incorporant lamendement 1, et la publication de base incorporant les amendements 1 et 2. Validit de la prsente publication Le contenu technique des publications de la CE1 est constamment revu par la CE1 afin quil reflte ltat actuel de la technique. Des renseignements relatifs a

4、la date de re- confirmation de la publication sont disponibles dans le Catalogue de la CEI. Les renseignements relatifs des questions ltude et des travaux en cours entrepris par le comit technique qui a tabli cette publication, ainsi que la liste des publications tablies, se trouvent dans les docume

5、nts ci-dessous: Site web de la CEI* Catalogue des publications de la CE1 Publi annuellement et mis jour rgulirement (Catalogue en ligne)* Disponible la fois au 4te web de la CEI et comme priodique imprim Bulletin de la CE1 Terminologie, symboles graphiques et littraux En ce qui concerne la terminolo

6、gie gnrale, le lecteur se reportera la CE1 60050: Vocabulaire Electro- technique International (VE I). Pour les symboles graphiques, les symboles littraux et les signes dusage gnral approuvs par la CEI, le lecteur consultera la CE1 60027: Symboles littraux a utiliser en lectrotechnique, la CE1 6041

7、7: Symboles graphiques utilisables sur le matriel. Index, relev et compilation des feuilles individuelles, et la CE1 60 61 7: Symboles graphiques pour schmas. * Voir adresse 4te web, sur la page de titre. Numbering As from 1 January 1997 all IEC publications are issued with a designation in the 6000

8、0 series. Consolidated publications Consolidated versions of some IEC publications including amendments are available. For example, edition numbers 1 .O, 1.1 and 1.2 refer, respectively, to the base publication, the base publication incor- porating amendment 1 and the base publication incorporating

9、amendments 1 and 2. Validity of this publication The technical content of IEC publications is kept under constant review by the IEC, thus ensuring that the content reflects current technology. Information relating to the date of the reconfirmation of the publication is available in the IEC catalogue

10、. Information on the subjects under consideration and work in progress undertaken by the technical com- mittee which has prepared this publication, as well as the list of publications issued, is to be found at the following IEC sources: IEC web site Catalogue of IEC publications Published yearly wit

11、h regular updates (On-line catalogue) Available both at the IEC web site* and as a printed periodical IEC Bulletin Terminology, graphical and letter symbols For general terminology, readers are referred to I EC 60 050: International Electrotechnical Vocabulary (IEV). For graphical symbols, and lette

12、r symbols and signs approved by the IEC for general use, readers are referred to publications IEC 60027: Letter symbols to be used in electrical technology, IEC 60417: Graphical symbols for use on equipment. Index, survey and compilation of the single sheets and IEC 60617: Graphical symbols for diag

13、rams. * See web site address on title page. NORME INTERNATIONALE INTERNATIONAL STANDARD CE1 IEC 60948 Premire dition First edition 1988-06 Clavier numrique pour systmes lectroniques domestiques (SED) Numeric keyboard for home electronic systems (HES) O IEC 1988 Droits de reproduction rservs - Copyri

14、ght - all rights reserved Aucune partie de cette publication ne peut - une quatrieme range de trois touches au plus. 948 (Cl IEC 1988 -7- NUMERIC KEYBOARD FOR HOME ELECTRONIC SYSTEMS 1. Scope This standard is applicable to all kinds of equipment with numeric input used in homes, for example videotex

15、 terminals, household appliances, climate control and remote controls for TV, for recorders and for lights; excluding telecommunication terminals, data processing equipment and office machines, subject to CCITT E.161 and IS0 3791. This standard specifies a layout for numerical keyboards with three r

16、ows of three keys each and a fourth row with at least one key. The layout described in this standard is concerned only with the nominal relative positions of keys; it is not intended to define physical factors, such as keyboard slope, size and shape of keytops, nor the way in which the keytops are i

17、nscribed. The definition of such physical factors may be the subject of other standards. 2. Object This standard guides the suppliers of equipment for Home Electronic Systems (HES) in their choice of layouts in order to stop confusion in an area where up to now competing solutions have created uncer

18、tainty. This standard simplifies the use of equipment in HES by offering the user the same layout which he will find in an increasing number of items of equipment outside his home, also. 3. Layout of keyboard The keyboard comprises two parts: - an array of three rows of three keys, to which the nume

19、rals 1 to 9 are allocated; - a fourth row of up to three keys. -8- 948 (C) CE1 1988 3.1 Chiffres Les chiffres 1 a 9 sont affectes aux trois ranges de trois touches dans lordre indique sur la figure 1. 51 52 2 5 El Figure 1 3.2 Zro Le zro est toujours situ au-dessous du 8, comme le montre la figure 2

20、. 3.3 Touches facultatives 51 I 52 53 El El El Figure 2 Les touches facultatives aux positions A51 et A53 sont fonction des applications; chaque fois que ceci est possible, les symboles et les positions proposes dans le CCITT E.161 (A51:*, A53:#) ou dans 1ISO 3791 (A51:00, A53: signe decimal) doiven

21、t tre utilises. 4. Distance entre les touches Chaque fois que lespace le permet, les touches doivent tre espaces conformment iiS0 1092. / 948 (C) IEC 1988 3.1 Numerals -9- The numerals 1 to 9 are alloca-2d to the order shown in figure 1. hree rows of three keys in C B Figure 1 3.2 Zero The zero is a

22、lways below the number 8, as sbown in figure 2. 3.3 Optional keys Figure 2 he Optional keys in positions A51 and A53 are a function of applications; whenever possible, the symbols and positions proposed in CCITT E.161 (A51:*, A53:#) or IS0 3791 (A51:00, A53: decimal sign) shall be used. 4. Spacing of keys Whenever space permits, the spacing of the keys shall be in accordance with IS0 1092. ICs 33.160 ; 35.240.99 ; 97.120 Typeset and printed by the IEC Central Office GENEVA, SWITZERLAND