PRODUCTPROFILE Products and services for the computer systems design professional

Inforr nation on the products andservices advertised in PRODUCT PR O-FILE may be obtained by writing theproduct listing's number (in paren-thesis at the beginning of each listing)on the postage-paid reader servicecard this issue.

If you are interested in presentingyour products to the 20,000 com-puter design professionals who readCOMPUTER, and would like moreinformation on this convenient, low-cost medium, contact: Product Pro-file, COMPUTER, 8949 Reseda Blvd.,Northridge, Ca 91324.

(160) Non-Impact Printers: Dataof marked interest to the com-puter professional on Matrix'sLP-860/LP-1150 Non-ImpactPrinters; electrostatic writingtechnique; high-contrast print-out/silent operation, high reli-ability; used in communicationsapplications requiring fast (upto 9600 BPS); 23 controllersfor interfacing with mini/midicomputers; additional fea-ures deserve further study/consideration. - Versatec, Incor-,porated, 10100 Bubb RoadCupertino, Calif. 95104.

(161) Television/MinicomputerInterface: Concise, factual in-formation of interest to the

computer professional on newKantronics television camera tominicomputer peripheral; unittransforms video signals into bi-nary format data/has general digi-tal interface for data transfers;Version "A" of interface com-patible with PDP8e, 8i, 81, orPDP12 positive I/O bus; nega-tives / photographs / maps / trans-parencies/ci rcuit boards/naturalscenes may be scanned, resulting"binary pictures" placed in mini'smemory/bulk storage for analy-sis;data merits study.-KantronicsCompany, Inc., P.O. Box 3068,Lawrence, Kan. 66044.

(162) Disc Controllers: Com-prehensive detailed information

on Telefile Disc Controllers; han-dles up to 8 disc drives for almostany non-IBM computer; DC-16helps out most 16 bit minis; DC-18, DC-32, DC-36, DC-10 bringsIBM compatible drives togetherwith PDP-15's, Sigma 5's/7's,Univac 418's, PDP-10's respec-tively; easy to program/8 com-mands required; read/write mul-tiple records done with singlecommand; additional featureswarrant further study. - TelefileComputer Products, Inc., 17795Sky Park Circle, Irvine, Calif.92664.

(163) Logic Panels: Concise, fac-tual information on Scanbe LogicPanels; decoupling capacitor pro-visions for standard applications;decoupling efficiency achievedfrom 1.34kHz through 50mHzusing suggested capacitor array;quality performance/exclusivefeatures/low price; custom logicpanels available; worth investiga-tion/study.-Scanbe Manufactur-ing Corp., 3445 Fletcher Avenue,El Monte, Calif. 91731.

(164) Instrumentation Amplifier:Full details on Preston low cost,

high-precision InstrumentationAmplifier, Model 8300XWB-E;features gain accuracy of -0.01 %/gain linearity -0.01%; amplifica-tion factor of preset/fixed-gainamplifier can be specified for anyvalue between 1x/2000x; band-width also preset/may be speci-fied for any value between 1 OHz-100kHz at 3db point; additionalfeatures merit further con-sideration.-Preston Scientific In-corporated, 805 East CerritosAvenue, Anaheim, Calif. 92805.

(165) Paper Tape Replacer: Fulldetails on Kydek Paper TapeReplacer; designed as a plug-to-

plug-replacement for paper tape/not a cassette for disk replace-ment; fast, extremely reliable/practical alternative to papertape, I/O; use it exactly the sameas paper tape; load/store pro-grams; reads/writes data incre-mentally; additional featuresworthy of further study/consideration. - Kybe Corpora-tion, 132 CalvaryStreet, Waltham,Mass. 02154.

(166) Computer Packaged Leas-ing Program: Worth reading bro-chures/data on Itel CorporationComputer Packaged Lease Pro-gram; IBM System/370 leased onshort term basis/complete flexi-bility/large savings; completecomputer package consisting ofSystem/370, Itel Disk Drives,Itel Fixed Head Files, Itel TapeDrives/AMS Monolithic Memory;lease terms range from 3-8 years;definitely merits closest consid-eration.-Itel Corporation, OneEmbarcadero Center, San Fran-cisco, Calif. 94111.

(167) Programming Tools: Pro-grammer's Kit; professional pro-gramming instruments in acustom fitted briefcase; Hexadat;hex calculator, 8 digits/creditbalance/automatic complement

feature, etc.; Octadat: octal cal-culator, 6 digits/credit balance/automatic complement feature,etc.;-Radix Precision Co., Box13861, Atlanta, Ga. 30324.

(168) Voice Synthesizer: Fulldetails on VSiT Voice Synthe-sizer; small/inexpensive; capableof synthesizing human speechwith unlimited vocabulary; con-sists of 3 circuit cards; acceptssequences of digital phonemecommands/converts commandsinto corresponding phonetic au-dio signals; utilizes analog cir-cuitry to simulate electronicallyhuman vocal system; additionalfeatures warrant further study/consideration.-Vocal InterfaceDivision, Federal Screw Works,3401 Martin Avenue, Detroit,Mich. 48210.

(169) Cartridge Tape Drive: Con-cise,factual information on MDSModel 2021 Cartridge Tape Drive;available as desk top console oras panel-mounted assembly; allmechanical components mounted

on heavy-duty precision alumi-num casting; uses 3M CompanyDC300A Magnetic Tape Cartridgewhich contains 2 reels/300 feetof 1/4" computer-grade tape/requires single drive motor; multi-channel read-while-write head;available in 1/2/4-channel con-figurations; merits study.-MDSOEM Marketing, 781 Third Ave-nue, King of Prussia, Pa.19406.

(170) Tape Transports: Compre-hensive detailed information onPSC Low Cost Tape Transports;features include interface indus-

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try standard; 7' 8-1/2", 10-1/2"reel size: 6.25, 12.5, 25, 37.5, 45IPS; phase encoding, NRZI; 200,556, 800, 1600 CPI; single/dualgap heads; write, read, read/write, read after write; powerfail safe; solid state IC logic;definitely merits closest consid-eration. -Producers Service Cor-poration, Computer PeripheralDivision, 1200 Grand CentralAvenue, Glendale, Calif. 91201.

(171) Alphameric Strip Printer:Full details on Facit AlphamericStrip Printer; features includeinput US ASCII standard/charac-ter by character, 15 CPS, 5x7 dotmatrix presentation of charac-ters, high character flexibility,single print hammer/fewer mov-ing parts; definitely merits closestconsideration.-Facit Odhner.Inc., 501 Winsor Drive, Secaucas,N.J.

(172) Digital Cartridge Recorder:Full details on the Kennedy Co.Model 330 Digital Cartridge Re-corder. Combines the new 3Mone-quarter-inch tape cartridgewith its isoelastic drive system,and proven Kennedy electronics;the first cartridge recorder de-signed solely for high-reliabilitydata recording. Tape drive isfully bi-directional at 25 ips nor-mal speed, resulting in a datatransfer rate of 40,000 bits/second at 1600 cpi recordingdensity. Forward and reversesearch modes, as well as rewind

speed, are 90 ips. With 300 feetof high grade 0.25" one mil tape,total data capacity (gapless) is 23x 106 bits for 4-track operation.Model 330 meets the proposedANSI standard. Model 330 isequipped with a dual gap read/write head for read-after-writeoperation. One, two and four-track versions are available. Eachtrack is treated independently,allowing cartridge interchangebetween transports of differingtrack configurations. Each trackis equipped with a separate erasegap to ensure against inadvertentdata erasure. - Mr. Russell E.Bartholomew, Kennedy Co., 540W. Woodbury Road, Altadena,Calif. 91001, (213) 798-0953.

(173) Multimeter-Counter: Com-,prehensive detailed informationon Model 3003 Multimeter-

Counter; measures ac, dc volts/ac, dc current/ohms/frequencyto 10MHz; 3-1/2 digit SperryDisplay; measures center freq/deviation limits in fm tape re-corder calibrations; definitelymerits closest consideration.-Valhalla Scientific, 7707 ConvoyCourt, San Diego, Calif. 92111.

(174) Computer/InstrumentationPeripherals: Full details on Model55 Computer/InstrumentationPeripherals: accepts serial bycharacter/full parallel B.C.D. datainputs/TTL compatible; printspeed up to 3 lines (36 char-acters) per second; 12-columncapacity/using numerals or limitedalpha characters; 12 charactersavailable in each column; avail-able with case/interface/powersupply; definitely calls for closestconsideration.--Addmaster Corp-oration, 416 Junipero Serra Drive,San Gabriel, Calif. 91776.

(175) Printer/Reader: Full detailson Addmaster Printer/Reader;Printer includes 12-columncapacity/prints 3 lines (36 charac-ters per second) 12 characters percolumn/numeric or limited alpha;reader features 120 CPS asychro-nous speed/solid state-LED/reliability/stepping motor; bothavailable in case/interfaced/readyto plug in; additional featuresmerit study.--Addmaster, 416Junipero Serra Drive, San Gabriel,Calif. 91776.

(177) Graphic Data AcquisitionSystem: Full details on 1858Graphic Data Acquisition Sys-tem;signal conditioning circuitrybuilt in - just plug your choiceof modules into front panel;allows any trace to be positionedat any point on record with fullrecord width deflection, plus digi-tal trace identification; offershigh-frequency response/super-fast rise time without trace over-shoot, without high-frequencytrace wipe-out; additional fea-tures merit study. - HoneywellTest Instruments Division, P. 0.Box 5227, Denver, Colo. 80217.(176) Active Filters: Concise,factual information on 760 ActiveFilters; resistor-tunable 2-pole-pairButterworth bandpass devices ex-ternally tunable over 1000: 1range with 4 equal resistors; threemodels, 760, 762, 764 cover rangeof 0.05 Hc-2OkHz with maximumcenter frequencies (fo) at 50Hz,500Hz, 20kHz, respectively; ad-

ditional features merit furtherstudy/consideration. --FrequencyDevices, Inc, 25 Locust Street,Haverhill, Mass. 01830.

(178) Minicomputer; Full detailson Telecontroller MinicQmputer;solves communications problems/reduces oommunication expenses;

offers system flexibility, grosscapabi ity, terminal independence,full-time communications relia-bility with store/forward messageswitching; precision engineered fortop performance/dependability;definitely merits closest oonsidera-tion. - Action CommunicationSystems, Inc., 10300 NorthCentral Expressway, Dallas,Texas75231.

(179) Character Generators: Con-cise factual information on MMICharacter Generators, highestcharacter density per package/fewer packages on boards/lowersystem cost; to 128 characters insingle package/any character or-ganization to 9 x 9 for better dis-play resolution; bipolar speedyou can rely on/access times to35 nsec; additional features meritfurther study . -- MonolithicMemories, Inc., 1165 East ArquesAvenue, Sunnyvale, Calif. 94086.

(180) Chip Resistor: Concise,factual information onTantalumNitride Chip Resistors and Net-works. Standard 30 Mil squareconfiguration; available in stand-ard RETMA resistance values from1 Ohm to 10 Megohms. TantalumNitride resistor technology alsoenables hybrid circuit designer toobtain considerable higher cir-cuit density; worthy of investi-gation/study. -- Semi-FilmsTechnology Corporation, Box188,West Hurley, N.Y. 12491.

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