Epson HX-20 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Epson HX-20" in English language version.

refsWebsite

Global rank English rank

3web.archive.org

1^st place

1^st place

2books.google.com

3^rd place

3^rd place

28^th place

26^th place

6^th place

6^th place

2electrickery.nl

low place

low place

low place

low place

1museumoftechnology.org.uk

low place

low place

2,871^st place

1,841^st place

1patents.google.com

1,182^nd place

725^th place

1oldcomputers.net

low place

low place

low place

low place

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low place

low place

low place

archive.org

Advertisement (December 1982). "Actual size". BYTE. pp. 260–261. Retrieved 19 October 2013.
Ramsey, David (September 1983). "Epson's HX-20 and Texas Instruments' CC-40". BYTE. p. 193. Retrieved 20 October 2013.

books.google.com

Michael R. Peres, The Focal Encyclopedia of Photography, page 306, Taylor & Francis
Kent, Allen; James G. Williams, eds. (1990). Encyclopedia of Microcomputers. Vol. 6. Marcel Dekker. p. 298. ISBN 978-1-00-072330-4 – via Google Books.

cnn.com

Staff writers (November 22, 1999). "The Digital Century: The PC". PC World. IDG Publications. Archived from the original on April 24, 2021 – via CNN.com.
McCracken, Harry (August 6, 2012). "A 35th-anniversary salute to Radio Shack's TRS-80". CNN.com. Warner Bros. Discovery. Archived from the original on April 15, 2022.

diptrace.com

datasheets.diptrace.com

"NEC Electronics Inc. μPD7227 COMS, Intelligent, Dot Matrix LCD Controller/Drive" (PDF). Retrieved 2024-02-12.

electrickery.nl

"C-20 PROTOCOL". 19 November 1982. Retrieved 19 June 2019.
Technical Support Document number 72a Archived 2018-09-25 at the Wayback Machine, Using the Epson HX-20 expansion unit

epson.com

files.support.epson.com

HX-20 Operations Manual

ipsj.or.jp

museum.ipsj.or.jp

"Shinshu Seiki/Suwa Seikosha HC-20". IPSJ Computer Museum. Retrieved 19 June 2019.

jrok.com

jrok.om – Replacement CUS60, CUS63 and some CUS64

museumoftechnology.org.uk

"Epson HX-20 laptop computer". Museum of Technology. Retrieved 9 September 2016.

oldcomputers.net

Epson HX-20, Old Computers

patents.google.com

FR2487094A1 patent: Notebook computer system small

vam.ac.uk

collections.vam.ac.uk

"Epson HX-20". Victoria and Albert Museum. n.d.

web.archive.org

Staff writers (November 22, 1999). "The Digital Century: The PC". PC World. IDG Publications. Archived from the original on April 24, 2021 – via CNN.com.
McCracken, Harry (August 6, 2012). "A 35th-anniversary salute to Radio Shack's TRS-80". CNN.com. Warner Bros. Discovery. Archived from the original on April 15, 2022.
Technical Support Document number 72a Archived 2018-09-25 at the Wayback Machine, Using the Epson HX-20 expansion unit