167:
24:
202:
their disk pack patents. Helped by this relationship, Caleus became the second-largest manufacturer of disk packs in the world by July 1968, trailing only IBM. This was only five months after achieving full-scale production from their San Jose facility. The company both sold their drives to end users via distributors as well as taking volume orders from
186:, including William Benz, Sung Pal Chur, and William Sousa, Yaconelli founded Caelus with $ 200,000 of their own capital, with a further $ 1.8 million supplied by Electronic Memories & Magnetics (EM&M), a computer memory firm also based in San Jose. Whereas EM&M was a more-diversified firm producing magnetic tape subsystems,
201:
In
September 1967, the company began pilot production of disk packs plug-compatible with IBM's offerings, occupying a facility in San Jose that cost the founders $ 750,000 to build. Yaconelli described their relationship with IBM as symbiotic in 1967, with the latter eager to supply the licenses for
213:. Following the acquisition, Caelus became a subsidiary of EM&M. Yaconelli left to found his second venture, Katun Corporation, a systems integration company, in San Jose. He eventually returned to Memorex, becoming their VP of marketing.
228:
headquarters but stagnated until 1978 when EM&M charged the executive Ed Farris with a turnaround of the division. Caelus continued to lead the disk pack market until their parent company EM&M was acquired by Titan
Systems in 1985.
1131:
593:
1121:
1111:
1116:
1106:
220:, preferring to stay loyal with traditional disk packs despite Winchesters steadily overtaking market share since its invention in the early 1970s by IBM. In 1976,
1101:
209:
Caelus' steady rise was punctuated by their acquisition in full by EM&M in
January 1969. The terms of the acquisition were reportedly $ 3 million in a
206:
resellers. With a capacity to manufacture up to 40,000 packs per year, Caelus generated roughly £2 million in revenues in less than a year after opening.
1136:
586:
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mainframes. In 1969, Caelus was acquired in whole by
Electronic Memories & Magnetics; the latter was later acquired by Titan Systems in 1985.
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1126:
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224:
acquired Caelus' San Jose factory from EM&M for an undisclosed sum. Caelus continued to operate as a subsidiary from EM&M's
203:
182:, where he was one of their first employees, working in Memorex's sales division since 1962. With several other employees from
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150:. For a time, it was the second-largest manufacturer of disk packs in the world, designing units plug-compatible with
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190:, and expansion cards in service of data storage devices, Caleus was chiefly focused on
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146:. The company focused on the manufacturing of magnetic data storage media, primarily
123:
Acquired by
Electronic Memories & Magnetics, themselves acquired by Titan Systems
23:
813:
768:
758:
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361:(6). CW Communications: 1, 4. September 20, 1967 – via the Internet Archive.
142:, was an American computer hardware company active from 1967 to 1985 and based in
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334:(6). CW Communications: 7. September 20, 1967 – via the Internet Archive.
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404:(8). CW Communications: 1. February 1968 – via the Internet Archive.
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422:. Times-Mirror Company: 104. January 19, 1969 – via Newspapers.com.
174:
Caelus
Memories was principally founded by Philippe Yaconelli in 1967 in
351:"January Deliveries From Caelus: Another Independent Disk-Pack Supplier"
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547:(44). CW Communications: 43. October 30, 1978 – via Google Books.
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252:"Caelus Plans 3336-11-Type Disk, Will 'Wait and See' on Winchester"
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525:(18). CW Communications: 73. May 1, 1978 – via Google Books.
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IBM and the U.S. Data
Processing Industry: An Economic History
183:
151:
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262:(44). CW Communications: 34 – via Google Books.
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635:
476:: 10. February 12, 1970 – via Newspapers.com.
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119:
101:
78:
55:
47:
30:
440:: 15. January 21, 1969 – via Newspapers.com.
287:: 7. January 21, 1969 – via Newspapers.com.
1132:Defunct computer companies of the United States
563:Collection of Historical Scientific Instruments
559:"Electronic Memories and Magnetics Corporation"
458:: 31. July 19, 1970 – via Newspapers.com.
416:"Caelus Acquired for Electronic Memories Stock"
133:Electronic Memories & Magnetics (1969–1985)
434:"Wall Street News Briefs: Electronic Memories"
382:: 3. July 12, 1968 – via Newspapers.com.
587:
537:"Media, Supply Vendors Graded in User Survey"
281:"Electronics Memories acquires San Jose firm"
8:
16:
515:"EMM Officer Turns Around Caelus Operation"
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1122:Computer companies disestablished in 1985
1112:American companies disestablished in 1985
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343:
341:
324:"Thinking of Starting Your Own Business?"
170:Caelus Memories disk drive unit from 1971
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368:
627:List of defunct hard disk manufacturers
394:"Paper Supplier Now Selling Disk-Packs"
245:
243:
241:
237:
1117:Computer companies established in 1967
1107:American companies established in 1967
376:"Attack on computer disc packs market"
296:
294:
178:. Yaconelli had previously worked for
303:"Memorex aide sees self as motivator"
7:
1102:1985 disestablishments in California
1137:Defunct computer hardware companies
216:The company shirked developing any
14:
1097:1967 establishments in California
250:Upton, Molly (October 31, 1973).
301:Spiedel, Marge (June 20, 1973).
470:"Katun new computer firm in SF"
309:: 9 – via Newspapers.com.
452:"Office Complex Draws Tenants"
1:
779:Digital Equipment Corporation
487:Fisher, Franklin M. (1983).
615:History of hard disk drives
107:; 39 years ago
61:; 57 years ago
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1127:Computer storage companies
565:. Harvard University. n.d.
610:
503:– via Google Books.
21:
941:Nippon Electric Industry
704:Bryant Computer Products
620:IBM magnetic disk drives
493:. Praeger. p. 395.
834:Hokushin Electric Works
739:Computer Memories, Inc.
218:Winchester-style drives
171:
40:Subsidiary (1969–1985)
169:
140:Caelus Memories, Inc.
17:Caelus Memories, Inc.
916:MiniStor Peripherals
861:Intégral Peripherals
794:ExcelStor Technology
176:San Jose, California
144:San Jose, California
72:San Jose, California
1021:Samsung Electronics
380:The Daily Telegraph
37:Private (1967–1969)
18:
1046:SyQuest Technology
1031:Shugart Associates
744:Conner Peripherals
734:CII-Honeywell-Bull
719:Castlewood Systems
643:Seagate Technology
438:The Times Recorder
172:
85:Philippe Yaconelli
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1061:Texas Instruments
986:Potter Instrument
420:Los Angeles Times
194:products, namely
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981:Plus Development
926:Mitsumi Electric
809:General Electric
689:Areal Technology
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88:William Benz
31:Company type
222:Sperry Rand
188:core memory
1091:Categories
1041:StorageTek
991:PrairieTek
921:Mitsubishi
911:MiniScribe
906:Micropolis
891:Librascope
871:JT Storage
456:The Record
233:References
211:stock swap
196:disk packs
148:disk packs
966:Panasonic
764:Datapoint
754:Data Disc
709:Burroughs
51:Computer
48:Industry
1076:YE-Data
1036:Siemens
1001:Quantum
976:Philips
956:Okidata
901:Memorex
886:Kyocera
881:Kennedy
839:Hyosung
829:Hitachi
804:Fujitsu
749:Cornice
724:Calcomp
714:C. Itoh
662:Defunct
648:Toshiba
636:Current
180:Memorex
162:History
110: (
102:Defunct
79:Founder
64: (
56:Founded
1066:Tokico
1051:Tandon
1026:Sequel
1011:Rodime
896:Maxtor
866:Iomega
849:AdStar
784:Emulex
684:Anelex
497:
226:Encino
156:Univac
129:Parent
1071:Xebec
1016:SAGEM
1006:Ricoh
996:Priam
946:Nomaï
789:Epson
679:Ampex
1056:TEAC
824:HGST
699:BASF
495:ISBN
154:and
120:Fate
112:1985
105:1985
66:1967
59:1967
936:NEC
931:NCR
876:JVC
844:IBM
545:XII
523:XII
260:VII
204:OEM
184:IBM
152:IBM
70:in
1093::
669:3M
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
