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Learning About the HP 48 - VHS Tape
07-22-2019, 05:19 AM (This post was last modified: 07-22-2019 05:41 AM by Chris Dreher.)
Post: #1
Learning About the HP 48 - VHS Tape
I recently received and digitized a VHS training tape for the HP 48SX called "Learning About the HP 48".

What I am wondering about is copyright. I could upload this to YouTube but then have my account dinged if HP decides that the post infringes on their copyright. Considering that the HP 48SX and GX ROMs were released for use by the public, does anyone know if this includes related materials like VHS tapes? Is there someone to contact at HP if not? Should I just post it anyways because HP has demonstrated they don't care about such things?

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07-22-2019, 06:32 AM
Post: #2
RE: Learning About the HP 48 - VHS Tape
Try paging Tim Wessman.
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07-22-2019, 08:01 AM
Post: #3
RE: Learning About the HP 48 - VHS Tape
Post it at the Internet Archive. No possibility of having your account dinged.
https://archive.org/create/
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07-22-2019, 09:21 AM
Post: #4
RE: Learning About the HP 48 - VHS Tape
Perhaps on HPCalc.org or the museum manual collection?

As both these already host user guides and AURs for the 48 series, I would guess they have HPs blessing to do so. As this is essentially a user guide in video format, they could host it too?


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07-23-2019, 10:35 AM
Post: #5
RE: Learning About the HP 48 - VHS Tape
(07-22-2019 05:19 AM)Chris Dreher Wrote:  I recently received and digitized a VHS training tape for the HP 48SX called "Learning About the HP 48".

What I am wondering about is copyright. I could upload this to YouTube but then have my account dinged if HP decides that the post infringes on their copyright. Considering that the HP 48SX and GX ROMs were released for use by the public, does anyone know if this includes related materials like VHS tapes? Is there someone to contact at HP if not? Should I just post it anyways because HP has demonstrated they don't care about such things?

As Commodore Grace Hopper was fond of saying, "It's easier to apologize than to ask for permission."

Tom L

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She told me not to lose any sleep over it.
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07-24-2019, 04:16 PM
Post: #6
RE: Learning About the HP 48 - VHS Tape
Thanks for the help. I've reached out to Tim with fingers are crossed.
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07-24-2019, 04:45 PM
Post: #7
RE: Learning About the HP 48 - VHS Tape
(07-24-2019 04:16 PM)Chris Dreher Wrote:  Thanks for the help. I've reached out to Tim with fingers are crossed.

In the future, I'd say it's best to explore permissions without commenting about it. Once saying you're checking in public, if you later come back and post it, it implies you got an OK, which an HP employee is never able to state officially. Even if HP really doesn't care about this (extremely likely in this case) allowing such behavior could be interpreted legally as being generally allowing use of copyrighted work, which could/would hurt HP in unrelated areas where it really does matter. And getting the legal department to allow use of this specific obscure item seems pretty unlikely and not worth the immense time and effort that would take.

In other words, see Commodore Hopper's advice directly above...

--Bob Prosperi
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07-25-2019, 08:34 PM (This post was last modified: 07-25-2019 08:35 PM by edryer.)
Post: #8
RE: Learning About the HP 48 - VHS Tape
One look at that beautiful 48SX made me realize it was the last decent Calculator HP made!

Just that *mounted* logo (not printed) I believe was forgotten by the the time we had even the 48S, and then 48G/GX... as well as those beautiful key colours of the S/SX series,

if only the LCD was decent I'd use it as my main calculator today, but it isn't, so I'm stuck with the 50G (although a Black Screen 48GX would be quite acceptable).

But my opinion stands, that this was the end of an era!

PS. That picture of a 48SX has a suspiciously decent clear screen )))))

HP-50G (2013 model), HP-48G (1996 model)
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07-26-2019, 01:03 AM
Post: #9
RE: Learning About the HP 48 - VHS Tape
(07-25-2019 08:34 PM)edryer Wrote:  [snip]
...if only the LCD was decent I'd use it as my main calculator today, but it isn't, so I'm stuck with the 50G (although a Black Screen 48GX would be quite acceptable).

The black LCD from an HP-39 or -40 can be transplanted into the 48SX and that makes it easily the best looking HP machine you'll ever see; it's the same LCD used in the late 48GX machines. The same LCD is also in the HP-49g, but it would be wrong to take one of those from a working machine, whereas from a -39 or -40 is just fine with the RPN Gods...

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07-26-2019, 03:47 PM (This post was last modified: 07-26-2019 04:57 PM by burkhard.)
Post: #10
RE: Learning About the HP 48 - VHS Tape
(07-25-2019 08:34 PM)edryer Wrote:  PS. That picture of a 48SX has a suspiciously decent clear screen )))))

No kidding! They (edit: I meant the 48SX, all with lousy-contrast blue screens) never looked like that...
Somebody in the art department was pretty busy that week.
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07-26-2019, 04:35 PM
Post: #11
RE: Learning About the HP 48 - VHS Tape
48GX with black LCD


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08-05-2019, 01:10 AM
Post: #12
RE: Learning About the HP 48 - VHS Tape
The video has been posted on YouTube

It includes the following:
© Copyright 1991 Hewlett-Packard Company
Posted without direct permission of the copyright holder. Posting based off of that tightly related copyrighted property has been released to the public by the copyright holder (i.e. the HP 48SX and 48GX ROMs). If this understanding is incorrect, please have the copyright holder contact me and I'll remove the video.



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08-05-2019, 11:32 AM
Post: #13
RE: Learning About the HP 48 - VHS Tape
Thanks very much Chris.

I've only watched a part of the video so far but it seems like a good reminder of the design ethos behind the HP48.

Cheers,

Michael
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08-05-2019, 07:07 PM
Post: #14
RE: Learning About the HP 48 - VHS Tape
Boris will know - just ask the Pig’s Head!
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08-05-2019, 08:46 PM
Post: #15
RE: Learning About the HP 48 - VHS Tape
The hp48 lives in emulation (emu48)
https://www.hpmuseum.org/forum/thread-12540.html

and the RPL in the newRPL project
https://www.hpmuseum.org/forum/thread-9700.html
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08-06-2019, 08:16 PM
Post: #16
RE: Learning About the HP 48 - VHS Tape
(08-05-2019 01:10 AM)Chris Dreher Wrote:  The video has been posted on YouTube

It includes the following:
© Copyright 1991 Hewlett-Packard Company
Posted without direct permission of the copyright holder. Posting based off of that tightly related copyrighted property has been released to the public by the copyright holder (i.e. the HP 48SX and 48GX ROMs). If this understanding is incorrect, please have the copyright holder contact me and I'll remove the video.




A great video, thank you. Does anyone knows, does such a video exists also for the HP 48G?

Thanks
Joerg
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08-11-2019, 08:02 PM
Post: #17
RE: Learning About the HP 48 - VHS Tape
Thank you for taking the time and effort to make this video available. I enjoyed watching it - 48sx in hand - and it really renewed my interest in this calculator. I am now working my way through Wickes’s Insights books from their museum thumb drive and really learning a lot. Sometimes, you just need a little push.
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08-11-2019, 09:48 PM
Post: #18
RE: Learning About the HP 48 - VHS Tape
(08-05-2019 01:10 AM)Chris Dreher Wrote:  The video has been posted on YouTube
I have download the video using one of the Chrome youtube video downloader plugin available on the net and saved it with my other calculator videos.
I will watch it when I have more time, thank you for posting it!
Sylvain
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